fix: Remove sanity mark from stateless test, readd skip mark

Signed-off-by: lugi0 <lgiorgi@redhat.com>

Author: lugi0

tests/model_registry/test_rest_api.py

@@ -7,10 +7,10 @@
 schema = schemathesis.pytest.from_fixture("generated_schema")
 
 
+@pytest.mark.skip(reason="Only run manually for now")
 @pytest.mark.fuzzer
-@pytest.mark.sanity
 @schema.parametrize()
-def test_mr_api(case, current_client_token):
+def test_mr_api_stateless(case, current_client_token):
     case.headers["Authorization"] = f"Bearer {current_client_token}"
     case.headers["Content-Type"] = "application/json"
     case.call_and_validate(verify=False)