Update unit-and-instrumented-tests-action.yml

Author: gdeluna-branch

.github/workflows/unit-and-instrumented-tests-action.yml

@@ -42,8 +42,8 @@ jobs:
       - name: run tests
         uses: reactivecircus/[email protected]
         with:
-          api-level: 29
-          script: ./gradlew :Branch-SDK:connectedDebugAndroidTest
+          api-level: 21
+          script: ./gradlew :Branch-SDK:connectedDebugAndroidTest --stacktrace
       # contains the reports and apk
       - name: Save test artifacts
         if: success() || failure()