Fix renaming test files on stage deploys (#5275)

bigquery_etl/cli/stage.py

@@ -160,9 +160,7 @@ def deploy(
                 shutil.rmtree(test_path)
 
             # rename test files
-            for test_file_path in map(
-                Path, glob(f"{test_destination}/**/*", recursive=True)
-            ):
+            for test_file_path in map(Path, glob(f"{TEST_DIR}/**/*", recursive=True)):
                 for test_dep_file in artifact_files:
                     test_project = test_dep_file.parent.parent.parent.name
                     test_dataset = test_dep_file.parent.parent.name