Fix flaky spec

The faker data generates a name like 'Chang', and the word 'Change' is on the page, so it fails.

spec/system/support_interface/delete_application_spec.rb

@@ -33,6 +33,8 @@ def and_there_is_an_unsubmitted_application
       :completed,
       application_choices_count: 3,
       submitted_at: nil,
+      first_name: 'Lisa',
+      last_name: 'Simpson',
     )
   end