fix: do not allow tests to fail

.gitlab-ci.yml

@@ -181,7 +181,7 @@ test-scheme:
       - CHECKS: response_schema_conformance
   script:
     - schemathesis run -c "$CHECKS" -b http://tank:"$TANK_PORT" --hypothesis-suppress-health-check too_slow api/docs/openapi/openapi.yaml
-  allow_failure: true
+  allow_failure: false
 
 docker-hub-push:
   # Use the official docker image.
@@ -206,16 +206,16 @@ docker-hub-push:
       fi
     # TODO: maybe isolate docker build and docker push
     - docker push "$AURA_IMAGE_NAME" --all-tags
-  rules: 
+  rules:
     - *release-rules
     # every commit on master/main branch should trigger a push to docker-hub as unstable without a release
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH 
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
       exists:
         - Dockerfile
 
 release_job:
   stage: release
-  needs: 
+  needs:
     - docker-hub-push
   image: registry.gitlab.com/gitlab-org/release-cli:latest
   rules: *release-rules