add tests skeleton

Author: iamfarhad

.github/workflows/tests.yml

@@ -40,7 +40,7 @@ jobs:
         run: docker-compose up -d rabbitmq
 
       - name: Install dependencies
-        run: composer update --${{ matrix.stability }} --prefer-dist --no-interaction --no-progress
+        run: composer update --prefer-dist --no-interaction --no-progress
 
       - name: Execute tests
         run: sleep 10 && vendor/bin/phpunit --verbose