switching back to xcodebuild

Author: goergisn

.github/workflows/run-tests.yml

@@ -25,5 +25,4 @@ jobs:
 
     - name: 🛠️ Run All Tests
       run: |
-        cd Tests
-        swift test --enable-swift-testing --enable-xctest | xcpretty --utf --color && exit ${PIPESTATUS[0]}
+        xcodebuild test -scheme public-api-diff-Package -testPlan public-api-diff -destination "platform=macOS" -skipPackagePluginValidation | xcpretty --utf --color && exit ${PIPESTATUS[0]}