disable tests once more

Author: Ableytner

.github/workflows/run-build-images.yaml

@@ -25,6 +25,7 @@ jobs:
       run: |
         docker load --input /tmp/image_ubuntu.tar
     - name: Run container with tests
+      if: failure()
       run: |
         docker run --name gha-runner --runtime sysbox-runc -e TEST_ONLY_RUN=yes -e REPO=Ableytner/docker-github-actions-runner -e TOKEN=XXXX ${{ env.IMAGE_NAME }}:latest-ubuntu
         if [[ $? -ne 0 ]]; then