update test_downloader.py

tests/test_downloader.py

@@ -4,8 +4,8 @@ from unittest.mock import patch
 
 import cdsapi
 import pytest
-from smodex.sm_downloader import downloader  # type: ignore [attr-defined]
-from smodex.sm_downloader import era5_sm_downloader  # type: ignore [attr-defined]
+from smodex.sm_downloader import downloader
+from smodex.sm_downloader import era5_sm_downloader
 
 
 @pytest.fixture
@@ -94,3 +94,7 @@ def test_downloader(tmp_path, monkeypatch, caplog):
 
     assert "Initiating downloading of ERA5 Soil Moisture for 2023" in caplog.text
     assert "Downloaded ERA5 Soil Moisture for 2023" in caplog.text
+
+
+if __name__ == "__main__":
+    pytest.main()