Add Auth Safari testing job

Author: dlarocque

.github/workflows/test-changed-auth.yml

@@ -14,7 +14,7 @@
 
 name: Test Auth
 
-on: pull_request
+on: push
 
 env:
   # make chromedriver detect installed Chrome version and download the corresponding driver
@@ -99,6 +99,29 @@ jobs:
       - name: build
         run: yarn build:changed auth
       - name: Run tests on auth changed packages
-        run: xvfb-run yarn test:changed auth
+        run: yarn test:changed auth
         env:
           BROWSERS: 'Firefox'
+  
+  test-safari:
+    name: Test Auth on Safari if changed
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 20.x
+      - name: yarn install and build
+        run: |
+          cp config/ci.config.json config/project.json
+          yarn
+      - name: build
+        run: yarn build:changed auth
+      - name: Run browser tests
+        # Since we're testing on Safari, we only need to run the browser tests
+        run : |
+          yarn test:changed auth
+        env:
+          BROWSERS: 'Safari'