message: Axis data as int32_t in tests
diff: @@ -345,7 +345,7 @@ TF_LITE_MICRO_TEST(FloatMaxOpTestNotKeepDims) {
  9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0,
  17.0, 18.0, 19.0, 20.0, 21.0, 22.0, 23.0, 24.0};
  const int axis_shape[] = {1, 4};
  - const int axis_data[] = {1, 0, -3, -3};
  + const int32_t axis_data[] = {1, 0, -3, -3};
  const int output_shape[] = {1, 2};
  const float expected_output_data[] = {23, 24};
  @@ -362,7 +362,7 @@ TF_LITE_MICRO_TEST(FloatMaxOpTestKeepDims) {
  9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0,
  17.0, 18.0, 19.0, 20.0, 21.0, 22.0, 23.0, 24.0};
  const int axis_shape[] = {1, 2};
  - const int axis_data[] = {0, 2};
  + const int32_t axis_data[] = {0, 2};
  const int output_shape[] = {1, 3};
  const float expected_output_data[] = {20, 22, 24};
  @@ -377,7 +377,7 @@ TF_LITE_MICRO_TEST(Int8MaxOpTestKeepDims) {
  const int input_shape[] = {3, 1, 3, 2};
  const float input_data[] = {0.4, 0.2, 0.3, 0.4, 0.5, 0.6};
  const int axis_shape[] = {1, 1};
  - const int axis_data[] = {1, 1};
  + const int32_t axis_data[] = {1, 1};
  const int output_shape[] = {1, 2};
  const float expected_output_data[] = {0.5, 0.6};
  @@ -401,7 +401,7 @@ TF_LITE_MICRO_TEST(Int8MaxOpTestWithoutKeepDims) {
  const int input_shape[] = {3, 1, 3, 2};
  const float input_data[] = {0.4, 0.2, 0.3, 0.4, 0.5, 0.6};
  const int axis_shape[] = {1, 1};
  - const int axis_data[] = {1, 1};
  + const int32_t axis_data[] = {1, 1};
  const int output_shape[] = {1, 2};
  const float expected_output_data[] = {0.5, 0.6};
  