ci(cloudsql-pg): add end to end integration test (#113)

End to end integration test for cloudsql postgres.

Include checks for one tool's get (manifest) and post (invoke) endpoint.

Integration tests are excluded from regular unit tests.

.github/sync-repo-settings.yaml

@@ -30,7 +30,7 @@ branchProtectionRules:
       - "conventionalcommits.org"
       - "header-check"
     # - Add required status checks like presubmit tests
-      - "integration tests (ubuntu-latest)"
+      - "unit tests (ubuntu-latest)"
     requiredApprovingReviewCount: 1
     requiresCodeOwnerReviews: true
     requiresStrictStatusChecks: true

.github/workflows/tests.yaml

@@ -28,7 +28,7 @@ jobs:
   integration:
    # run job on proper workflow event triggers (skip job for pull_request event from forks and only run pull_request_target for "tests: run" label)
     if: "${{ (github.event.action != 'labeled' && github.event.pull_request.head.repo.full_name == github.event.pull_request.base.repo.full_name) || github.event.label.name == 'tests: run' }}"
-    name: integration tests
+    name: unit tests
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -76,4 +76,4 @@ jobs:
         run: go build -v ./...
 
       - name: Run tests
-        run: go test -race -v ./...
+        run: go test -race -tags="!integration" -v ./...