message: Add no_pip tags to gather_test.
  This test was missed when we marked all other tests in this directory with the
  no_pip tag.
diff: @@ -1414,7 +1414,10 @@ tf_xla_py_test(
  size = "medium",
  srcs = ["gather_test.py"],
  python_version = "PY3",
  - tags = ["optonly"],
  + tags = [
  + "no_pip",
  + "optonly",
  + ],
  deps = [
  ":xla_test",
  "//tensorflow/python:array_ops",
  