Add schema testing to PR workflow

.github/workflows/tests.yml

@@ -151,7 +151,7 @@ jobs:
       - name: Run tests on documentation examples
         env:
           TERRAFORM: ${{ matrix.flavour }}
-        run: pytest -vv ${{ matrix.flavour == 'terraform' && '-n4' || '-n4' }} --tb=line --junit-xml=test-results-raw.xml -k modules/ tests/examples
+        run: pytest -vv ${{ matrix.flavour == 'terraform' && '-n4' || '-n4' }} --tb=line --junit-xml=test-results-raw.xml -k "terraform: and modules/" tests/examples
 
       - name: Create report
         uses: ./.github/actions/post-fabric-tests
@@ -238,3 +238,25 @@ jobs:
         if: always()
         with:
           MODULE: FAST
+
+  test-schemas:
+    runs-on: ubuntu-latest
+    needs: setup-tf-providers
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Call composite action fabric-tests
+        uses: ./.github/actions/fabric-tests
+        with:
+          PYTHON_VERSION: ${{ env.PYTHON_VERSION }}
+          TERRAFORM_VERSION: ${{ env.DEFAULT_TERRAFORM_VERSION }}
+          TERRAFORM_FLAVOUR: ${{ env.DEFAULT_TERRAFORM_FLAVOUR }}
+
+      - name: Run schema tests
+        run: pytest -vv --tb=line --junit-xml=test-results-raw.xml "(tests and schemas) or (fast and schema) or (examples and yaml)"
+
+      - name: Create report
+        uses: ./.github/actions/post-fabric-tests
+        if: always()
+        with:
+          MODULE: Schemas

tests/collectors.py

@@ -153,7 +153,7 @@ class FastDataFile(pytest.File):
       raise Exception(f'Cannot read test spec {self.path}: {e}')
 
     schema_path = self._get_yaml_schema(raw)
-    if schema_path is None:
+    if schema_path is None or content is None:
       return
 
     print(f"---- {schema_path}")