ci/macOs: run unit tests

.github/workflows/rpcs3.yml

@@ -137,6 +137,7 @@ jobs:
       RELEASE_MESSAGE: ../GitHubReleaseMessage.txt
       UPLOAD_COMMIT_HASH: ${{ matrix.UPLOAD_COMMIT_HASH }}
       UPLOAD_REPO_FULL_NAME: ${{ matrix.UPLOAD_REPO_FULL_NAME }}
+      RUN_UNIT_TESTS: github.event_name == 'pull_request' && 'ON' || 'OFF'
     steps:
       - name: Checkout repository
         uses: actions/checkout@main
@@ -160,7 +161,7 @@ jobs:
           restore-keys: ${{ runner.os }}-qt-${{ matrix.name }}-${{ env.QT_VER }}
 
       - name: Build
-        run: ${{ matrix.build_sh }}      
+        run: ${{ matrix.build_sh }}
 
       - name: Upload artifacts
         uses: actions/upload-artifact@main
@@ -185,7 +186,7 @@ jobs:
         env:
           RPCS3_TOKEN: ${{ secrets.RPCS3_TOKEN }}
         run: .ci/github-upload.sh
-      
+
       - name: Save Build Ccache
         if: github.ref == 'refs/heads/master'
         uses: actions/cache/save@main