{"action":"created","issue":{"url":"https://api.github.com/repos/dart-lang/polymer_elements/issues/116","labels_url":"https://api.github.com/repos/dart-lang/polymer_elements/issues/116/labels{/name}","comments_url":"https://api.github.com/repos/dart-lang/polymer_elements/issues/116/comments","events_url":"https://api.github.com/repos/dart-lang/polymer_elements/issues/116/events","html_url":"https://github.com/dart-lang/polymer_elements/issues/116","id":126199210,"number":116,"title":"iron-collapse tests failing due to missed transitionend event","user":{"login":"jakemac53","id":984921,"avatar_url":"https://avatars.githubusercontent.com/u/984921?v=3","gravatar_id":"","url":"https://api.github.com/users/jakemac53","html_url":"https://github.com/jakemac53","followers_url":"https://api.github.com/users/jakemac53/followers","following_url":"https://api.github.com/users/jakemac53/following{/other_user}","gists_url":"https://api.github.com/users/jakemac53/gists{/gist_id}","starred_url":"https://api.github.com/users/jakemac53/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jakemac53/subscriptions","organizations_url":"https://api.github.com/users/jakemac53/orgs","repos_url":"https://api.github.com/users/jakemac53/repos","events_url":"https://api.github.com/users/jakemac53/events{/privacy}","received_events_url":"https://api.github.com/users/jakemac53/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dart-lang/polymer_elements/labels/bug","name":"bug","color":"fc2929"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-01-12T15:05:43Z","updated_at":"2016-01-18T19:39:24Z","closed_at":null,"body":"The event handler in the element itself is firing (_onTransitionEnd) but imperative listeners aren't getting called so something weird is going on there."},"comment":{"url":"https://api.github.com/repos/dart-lang/polymer_elements/issues/comments/172631484","html_url":"https://github.com/dart-lang/polymer_elements/issues/116#issuecomment-172631484","issue_url":"https://api.github.com/repos/dart-lang/polymer_elements/issues/116","id":172631484,"user":{"login":"ntaoo","id":511213,"avatar_url":"https://avatars.githubusercontent.com/u/511213?v=3","gravatar_id":"","url":"https://api.github.com/users/ntaoo","html_url":"https://github.com/ntaoo","followers_url":"https://api.github.com/users/ntaoo/followers","following_url":"https://api.github.com/users/ntaoo/following{/other_user}","gists_url":"https://api.github.com/users/ntaoo/gists{/gist_id}","starred_url":"https://api.github.com/users/ntaoo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ntaoo/subscriptions","organizations_url":"https://api.github.com/users/ntaoo/orgs","repos_url":"https://api.github.com/users/ntaoo/repos","events_url":"https://api.github.com/users/ntaoo/events{/privacy}","received_events_url":"https://api.github.com/users/ntaoo/received_events","type":"User","site_admin":false},"created_at":"2016-01-18T19:39:24Z","updated_at":"2016-01-18T19:39:24Z","body":"As you probably know by now, changing `collapse.on['transitionend']` to `collapse.onTransitionEnd` can pass the test and works fine on Dartium, while on Chrome listener aren't still getting called in the test and actual code, I believe."}}