message: Mark matmul_op_test as a medium-sized test.
diff: @@ -1718,7 +1718,7 @@ cuda_py_test(
  cuda_py_test(
  name = "matmul_op_test",
  - size = "small",
  + size = "medium",
  srcs = ["matmul_op_test.py"],
  additional_deps = [
  "//third_party/py/numpy",
  