Reorgenized test structure and added validation of inventory before deployment

tests/integration/test_check_init_files.py

@@ -0,0 +1,21 @@
+import unittest
+from pathlib import Path
+
+class TestInitFiles(unittest.TestCase):
+    def test_all_test_dirs_have_init(self):
+        """
+        Ensure every subdirectory in the 'tests' folder (excluding '__pycache__') contains an '__init__.py' file.
+        """
+        tests_root = Path(__file__).resolve().parents[2] / "tests"
+
+        for path in tests_root.rglob("*"):
+            if path.is_dir() and "__pycache__" not in path.parts:
+                init_file = path / "__init__.py"
+                with self.subTest(directory=str(path.relative_to(tests_root))):
+                    self.assertTrue(
+                        init_file.exists(),
+                        f"Missing __init__.py in directory: {path}"
+                    )
+
+if __name__ == "__main__":
+    unittest.main()