test: Consolidate API CI test runner (#29440)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

api/tests/unit_tests/oss/opendal/test_opendal.py

@@ -21,20 +21,16 @@ class TestOpenDAL:
         )
 
     @pytest.fixture(scope="class", autouse=True)
-    def teardown_class(self, request):
+    def teardown_class(self):
         """Clean up after all tests in the class."""
 
-        def cleanup():
-            folder = Path(get_opendal_bucket())
-            if folder.exists() and folder.is_dir():
-                for item in folder.iterdir():
-                    if item.is_file():
-                        item.unlink()
-                    elif item.is_dir():
-                        item.rmdir()
-                folder.rmdir()
+        yield
 
-        return cleanup()
+        folder = Path(get_opendal_bucket())
+        if folder.exists() and folder.is_dir():
+            import shutil
+
+            shutil.rmtree(folder, ignore_errors=True)
 
     def test_save_and_exists(self):
         """Test saving data and checking existence."""