diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 8182a416..5632ec94 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -32,7 +32,6 @@ steps:
     env:
       RUBY_TEST_VERSION: "2.7"
       GEMSETS: "test sidekiq coverage"
-
   - label: ':ruby: Ruby 2.7 linting'
     timeout_in_minutes: 30
     plugins:
@@ -75,7 +74,6 @@ steps:
     env:
       RUBY_TEST_VERSION: "2.7"
       RAILS_VERSION: "7"
-
   - label: ':rails: Rails integrations Ruby 2.7 tests'
     timeout_in_minutes: 30
     plugins:
@@ -119,154 +117,73 @@ steps:
     concurrency: 4
     concurrency_group: 'ruby/unit-tests'
 
-  - label: ':ruby: Ruby 2.0 unit tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-unit-tests
-        use-aliases: true
-    env:
-      RUBY_TEST_VERSION: "2.0"
-      BUNDLE_VERSION: "1.12.0"
-    concurrency: 4
-    concurrency_group: 'ruby/unit-tests'
-
-  - label: ':ruby: Ruby 2.1 unit tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-unit-tests
-        use-aliases: true
-    env:
-      RUBY_TEST_VERSION: "2.1"
-      BUNDLE_VERSION: "1.12.0"
-    concurrency: 4
-    concurrency_group: 'ruby/unit-tests'
-
-  - label: ':ruby: Ruby 2.2 unit tests'
+  - label: ':ruby: Ruby {{matrix}} unit tests'
+    matrix:
+      - '2.0'
+      - '2.1'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-unit-tests
         use-aliases: true
     env:
-      RUBY_TEST_VERSION: "2.2"
+      RUBY_TEST_VERSION: "{{matrix}}"
       BUNDLE_VERSION: "1.12.0"
-      GEMSETS: "test sidekiq"
     concurrency: 4
     concurrency_group: 'ruby/unit-tests'
 
-  - label: ':ruby: Ruby 2.3 unit tests'
+  - label: ':ruby: Ruby {{matrix}} unit tests'
+    matrix:
+      - '2.2'
+      - '2.3'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-unit-tests
         use-aliases: true
     env:
-      RUBY_TEST_VERSION: "2.3"
+      RUBY_TEST_VERSION: "{{matrix}}"
       BUNDLE_VERSION: "1.12.0"
       GEMSETS: "test sidekiq"
     concurrency: 4
     concurrency_group: 'ruby/unit-tests'
 
-  - label: ':ruby: Ruby 2.4 unit tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-unit-tests
-        use-aliases: true
-    env:
-      RUBY_TEST_VERSION: "2.4"
-      GEMSETS: "test sidekiq"
-    concurrency: 4
-    concurrency_group: 'ruby/unit-tests'
-
-  - label: ':ruby: Ruby 2.5 unit tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-unit-tests
-        use-aliases: true
-    env:
-      RUBY_TEST_VERSION: "2.5"
-      GEMSETS: "test sidekiq"
-    concurrency: 4
-    concurrency_group: 'ruby/unit-tests'
-
-  - label: ':ruby: Ruby 2.6 unit tests'
+  - label: ':ruby: Ruby {{matrix}} unit tests'
+    matrix:
+      - '2.4'
+      - '2.5'
+      - '2.6'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-unit-tests
         use-aliases: true
     env:
-      RUBY_TEST_VERSION: "2.6"
+      RUBY_TEST_VERSION: "{{matrix}}"
       GEMSETS: "test sidekiq"
     concurrency: 4
     concurrency_group: 'ruby/unit-tests'
 
-  - label: ':ruby: Ruby 3.0 unit tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-unit-tests
-        use-aliases: true
-    env:
-      RUBY_TEST_VERSION: "3.0"
-    concurrency: 4
-    concurrency_group: 'ruby/unit-tests'
-
-  - label: ':ruby: Ruby 3.1 unit tests'
+  - label: ':ruby: Ruby {{matrix}} unit tests'
+    matrix:
+      - '3.0'
+      - '3.1'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-unit-tests
         use-aliases: true
     env:
-      RUBY_TEST_VERSION: "3.1"
+      RUBY_TEST_VERSION: "{{matrix}}"
     concurrency: 4
     concurrency_group: 'ruby/unit-tests'
 
-  - label: ':ruby: Ruby 1.9 plain tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/plain_features", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "1.9.3"
-      BUNDLE_VERSION: "1.12.0"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':ruby: Ruby 2.0 plain tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/plain_features", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.0"
-      BUNDLE_VERSION: "1.12.0"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':ruby: Ruby 2.1 plain tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/plain_features", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.1"
-      BUNDLE_VERSION: "1.12.0"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':ruby: Ruby 2.2 plain tests'
+  - label: ':ruby: Ruby {{matrix}} plain tests'
+    matrix:
+      - "1.9.3"
+      - "2.0"
+      - "2.1"
+      - "2.2"
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
@@ -274,72 +191,19 @@ steps:
         use-aliases: true
         command: ["features/plain_features", "--tags", "not @wip"]
     env:
-      RUBY_TEST_VERSION: "2.2"
+      RUBY_TEST_VERSION: "{{matrix}}"
       BUNDLE_VERSION: "1.12.0"
     concurrency: 8
     concurrency_group: 'ruby/slow-maze-runner-tests'
 
-  - label: ':ruby: Ruby 2.3 plain tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/plain_features", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.3"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':ruby: Ruby 2.4 plain tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/plain_features", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.4"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':ruby: Ruby 2.5 plain tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/plain_features", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.5"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':ruby: Ruby 2.6 plain tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/plain_features/", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.6"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':ruby: Ruby 3.0 plain tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/plain_features/", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "3.0"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':ruby: Ruby 3.1 plain tests'
+  - label: ':ruby: Ruby {{matrix}} plain tests'
+    matrix:
+      - '2.3'
+      - '2.4'
+      - '2.5'
+      - '2.6'
+      - '3.0'
+      - '3.1'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
@@ -347,37 +211,16 @@ steps:
         use-aliases: true
         command: ["features/plain_features/", "--tags", "not @wip"]
     env:
-      RUBY_TEST_VERSION: "3.1"
+      RUBY_TEST_VERSION: "{{matrix}}"
     concurrency: 8
     concurrency_group: 'ruby/slow-maze-runner-tests'
 
-  - label: ':sidekiq: Sidekiq 2 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/sidekiq.feature", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.5"
-      SIDEKIQ_VERSION: "2"
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':sidekiq: Sidekiq 3 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/sidekiq.feature", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.5"
-      SIDEKIQ_VERSION: "3"
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':sidekiq: Sidekiq 4 tests'
+  - label: ':sidekiq: Sidekiq {{matrix}} tests'
+    matrix:
+      - '2'
+      - '3'
+      - '4'
+      - '5'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
@@ -386,22 +229,15 @@ steps:
         command: ["features/sidekiq.feature", "--tags", "not @wip"]
     env:
       RUBY_TEST_VERSION: "2.5"
-      SIDEKIQ_VERSION: "4"
+      SIDEKIQ_VERSION: "{{matrix}}"
     concurrency: 4
     concurrency_group: 'ruby/integrations-maze-runner-tests'
 
-  - label: ':sidekiq: Sidekiq 5 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/sidekiq.feature", "--tags", "not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.5"
-      SIDEKIQ_VERSION: "5"
-
-  - label: ':rails: Rails 3 Ruby 2.0 tests'
+  - label: ':rails: Rails 3 Ruby {{matrix}} tests'
+    matrix:
+      - '2.0'
+      - '2.1'
+      - '2.2'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
@@ -409,13 +245,17 @@ steps:
         use-aliases: true
         command: ["features/rails_features/", "--tags", "@rails3 and not @wip"]
     env:
-      RUBY_TEST_VERSION: "2.0"
+      RUBY_TEST_VERSION: "{{matrix}}"
       RAILS_VERSION: "3"
       BUNDLE_VERSION: "1.12.0"
     concurrency: 8
     concurrency_group: 'ruby/slow-maze-runner-tests'
 
-  - label: ':rails: Rails 3 Ruby 2.1 tests'
+  - label: ':rails: Rails 3 Ruby {{matrix}} tests'
+    matrix:
+      - '2.3'
+      - '2.4'
+      - '2.5'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
@@ -423,863 +263,222 @@ steps:
         use-aliases: true
         command: ["features/rails_features/", "--tags", "@rails3 and not @wip"]
     env:
-      RUBY_TEST_VERSION: "2.1"
+      RUBY_TEST_VERSION: "{{matrix}}"
       RAILS_VERSION: "3"
-      BUNDLE_VERSION: "1.12.0"
     concurrency: 8
     concurrency_group: 'ruby/slow-maze-runner-tests'
 
-  - label: ':rails: Rails 3 Ruby 2.2 tests'
+  - label: ':rails: Rails 4 Ruby 2.2 tests'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails3 and not @wip"]
+        command: ["features/rails_features/", "--tags", "@rails4 and not @wip"]
     env:
       RUBY_TEST_VERSION: "2.2"
-      RAILS_VERSION: "3"
+      RAILS_VERSION: "4"
       BUNDLE_VERSION: "1.12.0"
     concurrency: 8
     concurrency_group: 'ruby/slow-maze-runner-tests'
 
-  - label: ':rails: Rails 3 Ruby 2.3 tests'
+  - label: ':rails: Rails 4 Ruby 2.3 tests'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails3 and not @wip"]
+        command: ["features/rails_features/", "--tags", "@rails4 and not @wip"]
     env:
       RUBY_TEST_VERSION: "2.3"
-      RAILS_VERSION: "3"
+      RAILS_VERSION: "4"
     concurrency: 8
     concurrency_group: 'ruby/slow-maze-runner-tests'
 
-  - label: ':rails: Rails 3 Ruby 2.4 tests'
+  - label: ':rails: Rails 5 Ruby {{matrix}} tests'
+    matrix:
+      - '2.2'
+      - '2.3'
+      - '2.4'
+      - '2.5'
+      - '2.6'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails3 and not @wip"]
+        command: ["features/rails_features/", "--tags", "@rails5 and not @wip"]
     env:
-      RUBY_TEST_VERSION: "2.4"
-      RAILS_VERSION: "3"
+      RUBY_TEST_VERSION: "{{matrix}}"
+      RAILS_VERSION: "5"
     concurrency: 8
     concurrency_group: 'ruby/slow-maze-runner-tests'
 
-  - label: ':rails: Rails 3 Ruby 2.5 tests'
+  - label: ':rails: Rails 6 Ruby {{matrix}} tests'
+    matrix:
+      - '2.5'
+      - '2.6'
+      - '3.0'
+      - '3.1'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails3 and not @wip"]
+        command: ["features/rails_features/", "--tags", "@rails6 and not @wip"]
     env:
-      RUBY_TEST_VERSION: "2.5"
-      RAILS_VERSION: "3"
+      RUBY_TEST_VERSION: "{{matrix}}"
+      RAILS_VERSION: "6"
     concurrency: 8
     concurrency_group: 'ruby/slow-maze-runner-tests'
 
-  - label: ':rails: Rails 4 Ruby 2.2 tests'
+  - label: ':rails: Rails 7 Ruby {{matrix}} tests'
+    matrix:
+      - '3.0'
+      - '3.1'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails4 and not @wip"]
+        command: ["features/rails_features/", "--tags", "@rails7 and not @wip"]
     env:
-      RUBY_TEST_VERSION: "2.2"
-      RAILS_VERSION: "4"
-      BUNDLE_VERSION: "1.12.0"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
+      RUBY_TEST_VERSION: "{{matrix}}"
+      RAILS_VERSION: "7"
 
-  - label: ':rails: Rails 4 Ruby 2.3 tests'
+  - label: ':rails: Rails integrations Ruby 3.0 tests'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails4 and not @wip"]
+        command: ["features/rails_features/", "--tags", "@rails_integrations"]
     env:
-      RUBY_TEST_VERSION: "2.3"
-      RAILS_VERSION: "4"
+      RUBY_TEST_VERSION: "3.0"
+      RAILS_VERSION: "_integrations"
     concurrency: 8
     concurrency_group: 'ruby/slow-maze-runner-tests'
 
-  - label: ':rails: Rails 5 Ruby 2.2 tests'
+  - label: ':clipboard: Rake Ruby {{matrix}} tests'
+    matrix:
+      - '1.9.3'
+      - '2.0'
+      - '2.1'
+      - '2.2'
+      - '2.3'
+      - '2.4'
+      - '2.5'
+      - '2.6'
+      - '2.7'
+      - '3.0'
+      - '3.1'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails5 and not @wip"]
+        command: ['features/rake.feature', '--tags', 'not @wip']
     env:
-      RUBY_TEST_VERSION: "2.2"
-      RAILS_VERSION: "5"
-      BUNDLE_VERSION: "1.12.0"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
+      RUBY_TEST_VERSION: "{{matrix}}"
+    concurrency: 4
+    concurrency_group: 'ruby/integrations-maze-runner-tests'
 
-  - label: ':rails: Rails 5 Ruby 2.3 tests'
+  - label: ':postbox: Mailman Ruby {{matrix}} tests'
+    matrix:
+      - '2.0'
+      - '2.1'
+      - '2.2'
+      - '2.3'
+      - '2.4'
+      - '2.5'
+      - '2.6'
+      - '2.7'
+      - '3.0'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails5 and not @wip"]
+        command: ['features/mailman.feature', '--tags', 'not @wip']
     env:
-      RUBY_TEST_VERSION: "2.3"
-      RAILS_VERSION: "5"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
+      RUBY_TEST_VERSION: "{{matrix}}"
+    concurrency: 4
+    concurrency_group: 'ruby/integrations-maze-runner-tests'
 
-  - label: ':rails: Rails 5 Ruby 2.4 tests'
+  - label: ':key: Que 0.14 Ruby {{matrix}} tests'
+    matrix:
+      - '2.0'
+      - '2.1'
+      - '2.2'
+      - '2.3'
+      - '2.4'
+      - '2.5'
+      - '2.6'
+      - '2.7'
+      - '3.0'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails5 and not @wip"]
+        command: ['features/que.feature', '--tags', 'not @wip']
     env:
-      RUBY_TEST_VERSION: "2.4"
-      RAILS_VERSION: "5"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
+      RUBY_TEST_VERSION: '{{matrix}}'
+      QUE_VERSION: '0.14'
+    concurrency: 4
+    concurrency_group: 'ruby/integrations-maze-runner-tests'
 
-  - label: ':rails: Rails 5 Ruby 2.5 tests'
+  - label: ':key: Que 1.x Ruby {{matrix}} tests'
+    matrix:
+      - '2.5'
+      - '2.6'
+      - '2.7'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails5 and not @wip"]
+        command: ['features/que.feature', '--tags', 'not @wip']
     env:
-      RUBY_TEST_VERSION: "2.5"
-      RAILS_VERSION: "5"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
+      RUBY_TEST_VERSION: '{{matrix}}'
+      QUE_VERSION: '1'
+    concurrency: 4
+    concurrency_group: 'ruby/integrations-maze-runner-tests'
 
-  - label: ':rails: Rails 5 Ruby 2.6 tests'
+  - label: ':bed: Rack 1 Ruby {{matrix}} tests'
+    matrix:
+      - '1.9.3'
+      - '2.0'
+      - '2.1'
+      - '2.2'
+      - '2.3'
+      - '2.4'
+      - '2.5'
+      - '2.6'
+      - '2.7'
+      - '3.0'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
         run: ruby-maze-runner
         use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails5 and not @wip"]
+        command: ['features/rack.feature', '--tags', 'not @wip']
     env:
-      RUBY_TEST_VERSION: "2.6"
-      RAILS_VERSION: "5"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':rails: Rails 6 Ruby 2.5 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails6 and not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.5"
-      RAILS_VERSION: "6"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':rails: Rails 6 Ruby 2.6 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails6 and not @wip"]
-    env:
-      RUBY_TEST_VERSION: "2.6"
-      RAILS_VERSION: "6"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':rails: Rails 6 Ruby 3.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/rails_features/",  "--tags", "@rails6 and not @wip"]
-    env:
-      RUBY_TEST_VERSION: "3.0"
-      RAILS_VERSION: "6"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':rails: Rails 6 Ruby 3.1 tests'
-    timeout_in_minutes: 30
-    plugins:
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-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/rails_features/",  "--tags", "@rails6 and not @wip"]
-    env:
-      RUBY_TEST_VERSION: "3.1"
-      RAILS_VERSION: "6"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':rails: Rails 7 Ruby 3.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/rails_features/",  "--tags", "@rails7 and not @wip"]
-    env:
-      RUBY_TEST_VERSION: "3.0"
-      RAILS_VERSION: "7"
-
-  - label: ':rails: Rails 7 Ruby 3.1 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/rails_features/",  "--tags", "@rails7 and not @wip"]
-    env:
-      RUBY_TEST_VERSION: "3.1"
-      RAILS_VERSION: "7"
-
-  - label: ':rails: Rails integrations Ruby 3.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ["features/rails_features/", "--tags", "@rails_integrations"]
-    env:
-      RUBY_TEST_VERSION: "3.0"
-      RAILS_VERSION: "_integrations"
-    concurrency: 8
-    concurrency_group: 'ruby/slow-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 1.9 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '1.9.3'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 2.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.0'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 2.1 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 2.2 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.2'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 2.3 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.3'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 2.4 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.4'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 2.5 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.5'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 2.6 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.6'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 2.7 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.7'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 3.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: "3.0"
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':clipboard: Rake Ruby 3.1 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rake.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: "3.1"
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':postbox: Mailman Ruby 2.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/mailman.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.0'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':postbox: Mailman Ruby 2.1 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/mailman.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':postbox: Mailman Ruby 2.2 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/mailman.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.2'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':postbox: Mailman Ruby 2.3 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/mailman.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.3'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':postbox: Mailman Ruby 2.4 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/mailman.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.4'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':postbox: Mailman Ruby 2.5 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/mailman.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.5'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':postbox: Mailman Ruby 2.6 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/mailman.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.6'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':postbox: Mailman Ruby 2.7 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/mailman.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.7'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':postbox: Mailman Ruby 3.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/mailman.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: "3.0"
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 0.14 Ruby 2.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.0'
-      QUE_VERSION: '0.14'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 0.14 Ruby 2.1 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.1'
-      QUE_VERSION: '0.14'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 0.14 Ruby 2.2 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.2'
-      QUE_VERSION: '0.14'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 0.14 Ruby 2.3 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.3'
-      QUE_VERSION: '0.14'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 0.14 Ruby 2.4 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.4'
-      QUE_VERSION: '0.14'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 0.14 Ruby 2.5 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.5'
-      QUE_VERSION: '0.14'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 0.14 Ruby 2.6 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.6'
-      QUE_VERSION: '0.14'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 0.14 Ruby 2.7 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.7'
-      QUE_VERSION: '0.14'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 0.14 Ruby 3.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '3.0'
-      QUE_VERSION: '0.14'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 1.x Ruby 2.5 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.5'
-      QUE_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 1.x Ruby 2.6 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.6'
-      QUE_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':key: Que 1.x Ruby 2.7 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/que.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.7'
-      QUE_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 1.9 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '1.9.3'
-      RACK_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 2.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.0'
-      RACK_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 2.1 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.1'
-      RACK_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 2.2 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.2'
-      RACK_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 2.3 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.3'
-      RACK_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 2.4 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.4'
-      RACK_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 2.5 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.5'
-      RACK_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 2.6 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.6'
-      RACK_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 2.7 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.7'
-      RACK_VERSION: '1'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 1 Ruby 3.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: "3.0"
+      RUBY_TEST_VERSION: '{{matrix}}'
       RACK_VERSION: '1'
     concurrency: 4
     concurrency_group: 'ruby/integrations-maze-runner-tests'
 
-  - label: ':bed: Rack 2 Ruby 2.2 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.2'
-      RACK_VERSION: '2'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 2 Ruby 2.3 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.3'
-      RACK_VERSION: '2'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 2 Ruby 2.4 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.4'
-      RACK_VERSION: '2'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 2 Ruby 2.5 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.5'
-      RACK_VERSION: '2'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 2 Ruby 2.6 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.6'
-      RACK_VERSION: '2'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 2 Ruby 2.7 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: '2.7'
-      RACK_VERSION: '2'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 2 Ruby 3.0 tests'
-    timeout_in_minutes: 30
-    plugins:
-      docker-compose#v3.1.0:
-        run: ruby-maze-runner
-        use-aliases: true
-        command: ['features/rack.feature', '--tags', 'not @wip']
-    env:
-      RUBY_TEST_VERSION: "3.0"
-      RACK_VERSION: '2'
-    concurrency: 4
-    concurrency_group: 'ruby/integrations-maze-runner-tests'
-
-  - label: ':bed: Rack 2 Ruby 3.1 tests'
+  - label: ':bed: Rack 2 Ruby {{matrix}} tests'
+    matrix:
+      - '2.2'
+      - '2.3'
+      - '2.4'
+      - '2.5'
+      - '2.6'
+      - '2.7'
+      - '3.0'
+      - '3.1'
     timeout_in_minutes: 30
     plugins:
       docker-compose#v3.1.0:
@@ -1287,7 +486,7 @@ steps:
         use-aliases: true
         command: ['features/rack.feature', '--tags', 'not @wip']
     env:
-      RUBY_TEST_VERSION: "3.1"
+      RUBY_TEST_VERSION: '{{matrix}}'
       RACK_VERSION: '2'
     concurrency: 4
     concurrency_group: 'ruby/integrations-maze-runner-tests'