Skip running onnx tests in python mac os pipeline (#5416)

Author: snnn

tools/ci_build/build.py

@@ -1256,8 +1256,8 @@ def run_onnxruntime_tests(args, source_dir, ctest_path, build_dir, configs):
 
                 if not args.skip_onnx_tests:
                     run_subprocess([os.path.join(cwd, 'onnx_test_runner'), 'test_models'], cwd=cwd)
-                if config != 'Debug':
-                    run_subprocess([sys.executable, 'onnx_backend_test_series.py'], cwd=cwd, dll_path=dll_path)
+                    if config != 'Debug':
+                        run_subprocess([sys.executable, 'onnx_backend_test_series.py'], cwd=cwd, dll_path=dll_path)
 
             if not args.skip_keras_test:
                 try:

tools/ci_build/github/azure-pipelines/templates/py-packaging-stage.yml

@@ -586,7 +586,7 @@ stages:
           sudo python3 -m pip install -r '$(Build.SourcesDirectory)/tools/ci_build/github/linux/docker/scripts/requirements.txt'
           sudo xcode-select --switch /Applications/Xcode_10.app/Contents/Developer
           brew install libomp
-          python3 $(Build.SourcesDirectory)/tools/ci_build/build.py --use_openmp --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --parallel --config Release --build_wheel ${{ parameters.build_py_parameters }}
+          python3 $(Build.SourcesDirectory)/tools/ci_build/build.py --use_openmp --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --parallel --config Release --skip_onnx_tests --build_wheel ${{ parameters.build_py_parameters }}
         displayName: 'Command Line Script'
 
       - task: CopyFiles@2