style(tests): env var for test image name

.github/workflows/test-action-on-pr.yml

@@ -7,26 +7,26 @@ on:
 jobs:
   test_action:
     runs-on: ubuntu-latest
+    env:
+      TEST_IMAGE_NAME: "glueops/github-actions-build-push-containers/test-github-actions-build-push-containers"
 
     steps:
     - name: Checkout code
       uses: actions/checkout@v3
 
-    - name: Test GHCR
+    - name: Test ghcr.io
       uses: ./
       with:
-        image_name: "glueops/github-actions-build-push-containers/test-github-actions-build-push-containers"
+        image_name: $TEST_IMAGE_NAME
         registry: "ghcr.io"
         context: "./test-directory/tests/"
         target_directory: test-directory
 
-    - name: Verify GHCR
+    - name: Verify ghcr.io
       run: |
-        docker pull ghcr.io/glueops/github-actions-build-push-containers/test-github-actions-build-push-containers:${{ github.sha }}
-        docker run ghcr.io/glueops/github-actions-build-push-containers/test-github-actions-build-push-containers:${{ github.sha }}
+        docker pull ghcr.io/$TEST_IMAGE_NAME:${{ github.sha }}
+        docker run ghcr.io/$TEST_IMAGE_NAME:${{ github.sha }}
 
-        # docker pull ghcr.io/${{ github.repository }}/test-github-actions-build-push-containers:latest
-        # docker run ghcr.io/${{ github.repository }}/test-github-actions-build-push-containers:latest
 
     # # Test ECR 
     # - name: Use my action for ECR