Drop an unused fixture from the ignore-walk test

backend/tests/test_cli.py

@@ -602,7 +602,7 @@ def test_run_imports_the_module_that_declared_the_flow(tmp_path, monkeypatch):
     assert walked[-1] == ["dev/s1"]
 
 
-def test_the_walk_skips_what_the_repository_ignores(tmp_path, monkeypatch) -> None:
+def test_the_walk_skips_what_the_repository_ignores(tmp_path) -> None:
     """`mlruns/` is output, not a study, and importing it would run it."""
     import shutil
     import subprocess