Further improve settings for extra tests from GitLab

tests/lakedrops.yml

@@ -31,9 +31,8 @@ Test Code Style:
     when: always
     paths:
       - phpcs.xml
-  rules:
-    - if: '$DISABLE_CI_TEST_CODESTYLE == "1"'
-      when: never
+  dependencies:
+    - 'Build Site'
 
 Test PHPUnit:
   <<: *test_lakedrops_default