tests updated with new build process

Author: bewithgaurav

eng/pipelines/test-pipeline.yml

@@ -36,11 +36,7 @@ jobs:
 
   - script: |
       cd mssql_python\pybind
-      mkdir build
-      cd build  
-      cmake -DPython3_EXECUTABLE="python3" -DCMAKE_BUILD_TYPE=Debug ..
-      cmake --build . --config Debug
-      copy Debug\ddbc_bindings.pyd ..\..\ddbc_bindings.pyd
+      build.bat x64
     displayName: 'Build .pyd file'
 
   - script: |