message: TRT fix batch dim for unit test with scalar input
diff: @@ -1558,6 +1558,7 @@ class OpConverterTest : public ::testing::Test {
  attrs.shape_, converter_->use_implicit_batch(), &trt_dims);
  if (converter_->use_implicit_batch() && !status.ok()) {
  ASSERT_EQ(add_input_status, status);
  + return;
  } else {
  TF_EXPECT_OK(status);
  }
  @@ -1910,7 +1911,10 @@ class ParameterizedOpConverterTestBase
  output_data.push_back(data);
  }
  const int batch_size =
  - input_data_.empty() ? 1 : input_data_[0].tensor.shape().dim_size(0);
  + input_data_.empty() ||
  + TensorShapeUtils::IsScalar(input_data_[0].tensor.shape())
  + ? 1
  + : input_data_[0].tensor.shape().dim_size(0);
  Status stat =
  OpConverterTest::BuildAndRun(input_data_, &output_data, batch_size);
  ASSERT_EQ(expected_runtime_status.ok(), stat.ok())
  