use correct ci for everything

.gitlab-ci.yml

@@ -37,12 +37,16 @@ before_script:
     - uwsgi /etc/uffd/uwsgi.ini --http 0.0.0.0:8080
 
 test_instance_path_37:
+  extends: .test_instance_path
   image: python:3.7
 test_instance_path_38:
+  extends: .test_instance_path
   image: python:3.8
 test_instance_path_39:
+  extends: .test_instance_path
   image: python:3.9
 test_instance_path_310:
+  extends: .test_instance_path
   image: python:3.10
 
 .build: