ci(pytest): set BACKEND_IMG_TAG in all if cases

.github/workflows/r-pytest.yml

@@ -104,17 +104,24 @@ jobs:
           # Cache backend build
           image=${{ needs.backend-test-build.outputs.image_tag || inputs.image_tag }}
           pull_and_package_image "$image"
+          echo "BACKEND_IMG_TAG=${image}" >> $GITHUB_ENV
 
       - name: Load Cached Imgs
-        if: steps.image-cache.outputs.cache-hit == 'true'
+        if: ${{ steps.image-cache.outputs.cache-hit == 'true' }}
         run: |
           for image_tar in /tmp/images/*; do
               docker image load --input $image_tar || true
           done
 
+          # Set BACKEND_IMG_TAG if not set
+          image=$(docker image ls | grep backend)
+          image_tag="${image##*:}"
+          echo "Image Tag: $image_tag"
+          echo "BACKEND_IMG_TAG=${image_tag}" >> $GITHUB_ENV
+
       - name: Vars and Secrets to Env
         env:
-          API_TAG_OVERRIDE: ${{ needs.backend-test-build.outputs.image_tag || inputs.image_tag }}
+          API_TAG_OVERRIDE: ${BACKEND_IMG_TAG}
           GIT_BRANCH: ${{ github.ref_name }}
           VARS_CONTEXT: ${{ toJson(vars) }}
           SECRETS_CONTEXT: ${{ toJson(secrets) }}