diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a6e524a..ef74a09 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,10 +6,6 @@ stages:
   - renovate
   - build_container
 
-variables:
-  CONTAINER_TEST_IMAGE: registry.0xacab.org/jvoisin/mat2-web:$CI_BUILD_REF_NAME
-  CONTAINER_RELEASE_IMAGE: registry.0xacab.org/jvoisin/mat2-web:latest
-
 pyflakes:
   stage: linting
   script:
diff --git a/test/test_api.py b/test/test_api.py
index 181fe4b..da94023 100644
--- a/test/test_api.py
+++ b/test/test_api.py
@@ -285,7 +285,7 @@ class Mat2APITestCase(unittest.TestCase):
         )
         self.assertEqual(400, request.status_code)
         error_message = request.get_json()['message']
-        self.assertEqual("Post Body Required", error_message)
+        self.assertEqual("The browser (or proxy) sent a request that this server could not understand.", error_message)
 
     def test_api_bulk_download_validation(self):
         post_body = {