Test release with tusk test --all

tusk.yml

@@ -43,6 +43,11 @@ tasks:
           options:
             fast: ${fast}
       - command: go test -race ${fast-flag} ${verbose} ./...
+      - when: all
+        task:
+          name: release
+          options:
+            snapshot: true
 
   tidy:
     usage: Clean up and format the repo
@@ -61,7 +66,7 @@ tasks:
         usage: Release without publishing or validation
         type: bool
         rewrite: --snapshot
-    run: |
+    run: |-
       header='^## [0-9]+\.[0-9]+\.[0-9]+'
       awk "/${header}/{if(!found){found=1;f=1}else{f=0}} f" CHANGELOG.md |
         go run github.com/goreleaser/goreleaser --clean --release-notes /dev/stdin ${snapshot}