Split up test jobs so that they can be run concurrently (#1056)

* Split up test jobs so that they can be run concurrently

* Use checkout actions v4

Author: frankieroberto

.github/workflows/pull-request.yml

@@ -3,21 +3,17 @@ name: Pull request
 on: pull_request
 
 jobs:
-  build:
-    name: Pull request
+  sonar_analysis:
+    name: Sonar analysis
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v4
-
+    - uses: actions/checkout@v2
     - uses: actions/setup-node@v4
       with:
         node-version: 20
         cache: 'npm'
-
     - name: Install dependencies
       run: npm ci
-
     - name: Sonar analysis
       uses: sonarsource/sonarcloud-github-action@master
       with:
@@ -27,11 +23,46 @@ jobs:
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
         SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
 
+  linting:
+    name: Code style checks
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'npm'
+    - name: Install dependencies
+      run: npm ci
     - name: Run linting
       run: npm run lint
 
+  tests:
+    name: Javascript unit tests
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'npm'
+    - name: Install dependencies
+      run: npm ci
     - name: Run tests
       run: npm test
 
+  ui_tests:
+    name: Visual regression tests
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'npm'
+    - name: Install dependencies
+      run: npm ci
+    - name: Run tests
+      run: npm test
     - name: Run backstop
       run: npm run backstop:ci