Testing solution for on pull request error

.github/workflows/on-dms-pullrequest.yml

@@ -40,6 +40,8 @@ jobs:
   run-unit-tests:
     name: Run Unit Tests
     runs-on: ubuntu-latest
+    container:
+      image: mcr.microsoft.com/dotnet/sdk:8.0
     defaults:
       run:
         shell: pwsh
@@ -82,6 +84,8 @@ jobs:
   run-integration-tests:
     name: Run Integration Tests
     runs-on: ubuntu-latest
+    container:
+      image: mcr.microsoft.com/dotnet/sdk:8.0
     defaults:
       run:
         shell: pwsh
@@ -121,6 +125,8 @@ jobs:
     name: Run E2E Tests
     needs: run-unit-tests
     runs-on: ubuntu-latest
+    container:
+      image: mcr.microsoft.com/dotnet/sdk:8.0
     defaults:
       run:
         shell: pwsh