Separate integration workflow

.github/workflows/ci.yml

@@ -3,20 +3,7 @@ on:
   pull_request: {branches: master}
 
 jobs:
-  integration:
-    runs-on: ubuntu-latest
-    steps:
-      - name: output-set
-        uses: actions/github-script@master
-        with:
-          script: |
-            core.setOutput('result', 'test')
-      - run: |
-          if [[ "${{steps.output-set.outputs.result}}" != "test" ]]; then
-            exit 1
-          fi
-
-  jest:
+  ci:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2