Updates github action

Author: josecarneiro

.github/workflows/test.yml

@@ -1,15 +1,20 @@
-name: CI
+name: Continuous Integration
 on: push
 jobs:
-  build:
+  prepare:
     runs-on: ubuntu-latest
     steps:
+      - name: Use appropriate version of Node.js
       - uses: actions/setup-node@v2
         with:
           node-version: "15"
           check-latest: true
       - uses: actions/checkout@v2
       - name: Install modules
         run: npm i
+  test:
+    needs: prepare
+    runs-on: ubuntu-latest
+    steps:
       - name: Run tests
         run: npm run test