Run test plays on scheduled jobs

It makes sense to skip the test on a pipeline since it just
signifies an application update or a re-run and probably wants
to complete quickly. It does not make sense to get rid of our
safeguards on a job that runs at 1AM every night.

.gitlab-ci.yml

@@ -55,7 +55,6 @@ Test:
   interruptible: yes
   except:
     - pipelines
-    - schedules
   script:
     - ansible-playbook --skip-tags no-test -C site.yml --vault-password-file /vaultpw || error="$?"
     - if [ "$error" -eq 4 ]; then echo "Some hosts were unreachable; masking error"; unset error; fi