AO3-5075 Add 1-second delay between posting a work and deleting your …

…account to ensure cache expiration and fix intermittent test failure (#2969)

features/users/user_delete.feature

@@ -83,14 +83,14 @@ Scenario: Delete a user who has coauthored a work
     | otheruser | password |
     And I am logged in as "testuser"
     And I coauthored the work "Shared" as "testuser" with "otheruser"
+    And I wait 1 second
   When I try to delete my account
   Then I should see "What do you want to do with your works?"
   When I choose "Remove me completely as co-author"
     And I press "Save"
   Then I should see "You have successfully deleted your account"
     And a user account should not exist for "testuser"
     And I should be logged out
-  # TODO - make this confirmation step better
   When I go to the works page
   Then I should see "otheruser"
     And I should not see "testuser"