message: Skip collective_ops_test in multi-gpu build since it is failing.
diff: @@ -2003,7 +2003,7 @@ xla_test(
  # This test is tagged "manual" because it requires multiple GPUs, and
  # Forge only supports single-GPU tests. Guitar skips "manual" tests
  # unless they're also tagged "guitar".
  - "guitar",
  + "noguitar", # TODO(b/170316839): re-enable.
  "manual",
  "multi_gpu",
  "no_oss",
  