trying to use testing branch

.github/workflows/build-test-image.yml

@@ -3,6 +3,9 @@ name: build_test_image
 on:
   push:
     branches: ['testing']
+  pull_request:
+    branches: [ 'testing' ]
+  # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
 
@@ -74,7 +77,9 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
+        with:
+          path: testing
 
       - name: Log in to the Container registry
         uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
@@ -82,12 +87,13 @@ jobs:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+          branch: testing
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
         uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:testing
 
       - name: Build and push Docker image
         uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc