feat: use parallel tests and modify code

.github/workflows/nodejs.yml

@@ -11,11 +11,17 @@ on:
       - master
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
     strategy:
+      # when one test fails, DO NOT cancel the other
+      # containers, because this will kill Cypress processes
+      # leaving the Dashboard hanging ...
+      # https://github.com/cypress-io/github-action/issues/48
+      fail-fast: false
       matrix:
         node-version: [12.x]
+        containers: [1, 2, 3]
     steps:
     - uses: actions/checkout@master
 
@@ -34,15 +40,22 @@ jobs:
         CI: true
 
     - name: Tests
-      uses: actions/checkout@v2
+      uses: cypress-io/github-action@v1
       with:
         start: npm run serve
         record: false # cypress.io free recording limit exceeded
         wait-on: 'http://localhost:8080'
-      run: npm test
+        command: npm test
+        parallel: true
       env:
           CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: list all files
+      run: |
+        cd coverage
+        ls
+
     - name: Code Coverage Report
       uses: codecov/codecov-action@v1
       with: