Add cleanup for mac executor (#236)

Author: Pijukatel

.github/workflows/python_unit_tests.yaml

@@ -30,6 +30,13 @@ jobs:
       HTTPBIN_URL: ${{ secrets.httpbin_url || 'https://httpbin.org' }}
 
     steps:
+      - name: macOS cleanup
+        if: runner.os == 'macOS'
+        # Disable Spotlight indexing and try to kill all useless processes that could drain CPU during tests
+        run: |
+          sudo mdutil -i off /
+          sudo killall Finder spindump ecosystemanalyticsd SystemUIServer NotificationCenter mds mds_stores mds_worker mdworker mdworker_shared || true
+
       - name: Checkout repository
         uses: actions/checkout@v4