Readd Tests in Window GPU Reduced Ops workflow (#17294)

### Description
Add single test step in Window GPU Reduced Ops workflow


### Motivation and Context
The old workflow's building and testing were running in one command.
In PR #17263, the test step was removed by mistake.
So, readd it.
How to consolidate the test step is in consideration.

tools/ci_build/github/azure-pipelines/win-gpu-reduce-op-ci-pipeline.yml

@@ -38,6 +38,18 @@ jobs:
       Platform: 'x64'
       BuildConfig: $(BuildConfig)
 
+  - task: PythonScript@0
+    displayName: 'Build wheel'
+    inputs:
+      scriptPath: '$(Build.SourcesDirectory)\setup.py'
+      arguments: 'bdist_wheel'
+      workingDirectory: '$(Build.BinariesDirectory)\$(BuildConfig)\$(BuildConfig)'
+
+  - powershell: |
+      python $(Build.SourcesDirectory)\tools\ci_build\build.py --config $(BuildConfig) --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --test --cmake_generator "Visual Studio 17 2022"  --build_shared_lib --enable_onnx_tests --use_cuda --cuda_home="$(Agent.TempDirectory)\v11.8" --cmake_extra_defines "CMAKE_CUDA_ARCHITECTURES=75" --include_ops_by_config="$(Build.SourcesDirectory)\onnxruntime\test\testdata\required_ops.config"
+    workingDirectory: '$(Build.BinariesDirectory)\$(BuildConfig)\$(BuildConfig)'
+    displayName: 'Run tests'
+
   - template: templates/component-governance-component-detection-steps.yml
     parameters :
       condition : 'succeeded'