Remove timestamp

tests/fixtures/integration.py

@@ -1,6 +1,5 @@
 """Pytest fixtures for integration tests."""
 
-from datetime import datetime
 from pathlib import Path
 
 import pooch
@@ -28,13 +27,11 @@ def pooch_registry() -> dict:
         base_url=f"{GIN_TEST_DATA_REPO}/raw/master/test_data",
     )
 
-    # Download the registry file from GIN
-    # Force to download it fresh every time by using a timestamped filename
-    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    # Download only the registry file from GIN
+    # if known_hash = None, the file is always downloaded.
     file_registry = pooch.retrieve(
         url=f"{GIN_TEST_DATA_REPO}/raw/master/files-registry.txt",
         known_hash=None,
-        fname=f"files-registry_{timestamp}.txt",
         path=Path.home() / ".crabs-exploration-test-data",
     )