Disable caching in TestRepository constructor

Author: CharlyReux

osv/test_tools/test_repository.py

@@ -29,7 +29,7 @@ def __init__(self, name: str):
       shutil.rmtree(f"osv/testdata/test_repositories/{name}")
     self.repo = pygit2.init_repository(
         f"osv/testdata/test_repositories/{name}", bare=False)
-    pygit2.settings.enable_caching(True)
+    #pygit2.settings.enable_caching(True)
 
   def add_empty_commit(
       self,