Revert test skip

Author: vladvildanov

tests/test_cache.py

@@ -39,7 +39,7 @@ def r(request):
 
 @pytest.mark.skipif(HIREDIS_AVAILABLE, reason="PythonParser only")
 @pytest.mark.onlynoncluster
-#@skip_if_resp_version(2)
+@skip_if_resp_version(2)
 class TestCache:
     @pytest.mark.parametrize(
         "r",