{"action":"closed","issue":{"url":"https://api.github.com/repos/samselikoff/ember-cli-mirage/issues/621","repository_url":"https://api.github.com/repos/samselikoff/ember-cli-mirage","labels_url":"https://api.github.com/repos/samselikoff/ember-cli-mirage/issues/621/labels{/name}","comments_url":"https://api.github.com/repos/samselikoff/ember-cli-mirage/issues/621/comments","events_url":"https://api.github.com/repos/samselikoff/ember-cli-mirage/issues/621/events","html_url":"https://github.com/samselikoff/ember-cli-mirage/issues/621","id":138340708,"number":621,"title":"Upgrading from beta4: Assertion Failed: You cannot use the same root element (#ember-testing) multiple times in an Ember.Application","user":{"login":"promisedlandt","id":557201,"avatar_url":"https://avatars.githubusercontent.com/u/557201?v=3","gravatar_id":"","url":"https://api.github.com/users/promisedlandt","html_url":"https://github.com/promisedlandt","followers_url":"https://api.github.com/users/promisedlandt/followers","following_url":"https://api.github.com/users/promisedlandt/following{/other_user}","gists_url":"https://api.github.com/users/promisedlandt/gists{/gist_id}","starred_url":"https://api.github.com/users/promisedlandt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/promisedlandt/subscriptions","organizations_url":"https://api.github.com/users/promisedlandt/orgs","repos_url":"https://api.github.com/users/promisedlandt/repos","events_url":"https://api.github.com/users/promisedlandt/events{/privacy}","received_events_url":"https://api.github.com/users/promisedlandt/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":7,"created_at":"2016-03-04T00:40:56Z","updated_at":"2016-03-26T21:22:37Z","closed_at":"2016-03-26T21:22:37Z","body":"Upgrading from beta4 to beta5 or beta7 gives the following error in some tests:\r\n\r\n`Promise rejected before TEST NAME: Assertion Failed: You cannot use the same root element (#ember-testing) multiple times in an Ember.Application`\r\n\r\nWhile this shares part of the error message with #594, it looks to be a completely different issue.\r\n\r\nOnly integration tests are affected, but not all of them. In most of the affected tests, I don't even use mirage.\r\n\r\nI have uploaded to the repository [here](https://github.com/promisedlandt/dominionsserver), with beta7 installed, so stuff will fail as soon as you run `ember test` (tested on 2 different machines myself)."}}