Typo in Google Cloud Storage sensor: airflow/providers/google/cloud/sensors/gcs/GCSObjectsWithPrefixExistenceSensor

The word _With_ is spelled incorrectly. It should be: GCSObjects**With**PrefixExistenceSensor

**Apache Airflow version**: 2.0.0
**Environment**:
- **Cloud provider or hardware configuration**: Google Cloud
- **OS** (e.g. from /etc/os-release): Mac OS BigSur






tests/always/test_project_structure.py
expected_test_files = (
            f'{f.rpartition("/")[0]}/test_{f.rpartition("/")[2]}'
            for f in expected_test_files
            if not f.endswith("__init__.py")
        )
        current_test_files = glob.glob(f"{ROOT_FOLDER}/tests/providers/**/*.py", recursive=True)
        
        current_test_files = (os.path.relpath(f, ROOT_FOLDER) for f in current_test_files)
        
        current_test_files = (f for f in current_test_files if not f.endswith("__init__.py"))
        modules_files = set(modules_files)
        expected_test_files = set(expected_test_files)
        current_test_files = set(current_test_files)
        missing_tests_files = expected_test_files - expected_test_files.intersection(current_test_files)
        with self.subTest("Detect missing tests in providers module"):
            expected_missing_test_modules = {pair[1] for pair in expected_missing_providers_modules}
            missing_tests_files = missing_tests_files - set(expected_missing_test_modules)
            assert set() == missing_tests_files
        with self.subTest("Verify removed deprecated module also removed from deprecated list"):
            expected_missing_modules = {pair[0] for pair in expected_missing_providers_modules}
            removed_deprecated_module = expected_missing_modules - modules_files
            if removed_deprecated_module:
                self.fail(
                    "You've removed a deprecated module:\n"
                    f"{removed_deprecated_module}"
                    "\n"
                    "Thank you very much.\n"
                    "Can you remove it from the list of expected missing modules tests, please?"
                )
def get_imports_from_file(filepath: str):