Update workflow to use docker-compose run

Author: ianoxley

.github/workflows/rspec.yml

@@ -11,8 +11,7 @@ jobs:
 
       - name: Run tests
         run: |
-          docker-compose up -d --build
-          docker exec testrunner bash -c "bundle exec rspec && exit"
+          docker-compose run --build testrunner bash -c "bundle exec rspec spec"
 
       - name: Code Coverage
         uses: paambaati/[email protected]