test change of apt update

.gitlab-ci.yml

@@ -25,7 +25,7 @@ test_spell_check:
   dependencies:
      - build
   script:
-  - apt-get update
+  - apt-get -o Acquire::Check-Valid-Until=false update 
   - apt-get install -y aspell aspell-en
   - ./test_spell_check.sh
   except: