chore: add PR test action (#418)

Signed-off-by: Toma Puljak <[email protected]>

.github/workflows/lint_pr.yaml

@@ -36,4 +36,18 @@ jobs:
           ./hack/swagger.sh
           go fmt ./...
           git diff --exit-code pkg/serverapiclient/* || (echo "API clients are out of sync! Please generate with './hack/swagger.sh' and commit" && exit 1)
-          git diff --exit-code '**/*.go' || (echo "Code is not formatted! Please run 'go fmt ./...' and commit" && exit 1)
+          git diff --exit-code '**/*.go' || (echo "Code is not formatted! Please run 'go fmt ./...' and commit" && exit 1)
+  test:
+    name: Unit tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: false
+      - run: go build -tags testing ./...
+      - uses: robherley/go-test-action@v0
+        with:
+          testArguments: -tags testing ./...
+          omit: untested