message: Update c_api_test.cc
  Typo
diff: @@ -1700,7 +1700,7 @@ TEST_F(CApiGradientsTest, OpWithNoGradientRegistered_NoGradInputs) {
  TestGradientsError(false);
  }
  -// REGISTER_OP for CApiTestAttributesTest test cases.
  +// REGISTER_OP for CApiAttributesTest test cases.
  // Registers two ops, each with a single attribute called 'v'.
  // The attribute in one op will have a type 'type', the other
  // will have list(type).
  