Add the "change TLS" test to the gitlab CI script.

.gitlab-ci.yml

@@ -292,6 +292,12 @@ regression:tls:update-secret:
     - cd ../test/e2e/updateTLSsecret
     - make deploy verify undeploy
 
+regression:tls:change-secret:
+  extends: .integration-tests
+  script:
+    - cd ../test/e2e/changeTLSsecret
+    - make deploy verify-first upgrade verify-second undeploy
+
 example:file-cache:
   extends: .integration-tests
   script: