Fix typo in test case: {dir} -> {path}

Author: tony

tests/test_sync.py

@@ -138,7 +138,7 @@ class ConfigVariationTest(t.NamedTuple):
         config_tpl="""
         {tmp_path}/study/myrepo:
             {CLONE_NAME}:
-                repo: git+file://{dir}
+                repo: git+file://{path}
                 remotes:
                   git_scheme_repo: [email protected]:org/repo.git
         """,