!squash refactor!(pytest plugin[git]) Cache git_repo

Author: tony

src/libvcs/pytest_plugin.py

@@ -620,11 +620,15 @@ def hg_remote_repo(
 
 
 @pytest.fixture
-def git_repo(projects_path: pathlib.Path, git_remote_repo: pathlib.Path) -> GitSync:
+def git_repo(
+    remote_repos_path: pathlib.Path,
+    projects_path: pathlib.Path,
+    git_remote_repo: pathlib.Path,
+) -> GitSync:
     """Pre-made git clone of remote repo checked out to user's projects dir."""
     remote_repo_name = unique_repo_name(remote_repos_path=projects_path)
     new_checkout_path = projects_path / remote_repo_name
-    master_copy = projects_path / "git_repo"
+    master_copy = remote_repos_path / "git_repo"
 
     if master_copy.exists():
         shutil.copytree(master_copy, new_checkout_path)