tests(cucumber): fix certification test and add it in CI

.gitlab-ci.yml

@@ -161,6 +161,7 @@ tests_debug:
     - cargo cucumber -i balance*
     - cargo cucumber -i monetary*
     - cargo cucumber -i transfer*
+    - cargo cucumber -i certification*
   after_script:
     - cd target/debug/deps/
     - rm cucumber_tests-*.d

end2end-tests/cucumber-features/certification.feature

@@ -5,8 +5,3 @@ Feature: Certification
     Scenario: Dave certifies Alice
         When dave certifies alice
         Then alice should be certified by dave
-
-    @ignoreErrors
-    Scenario: Dave certifies Alice (but dave is not certified by charlie, this test should fail)
-        When dave certifies alice
-        Then dave should be certified by charlie
\ No newline at end of file