{"action":"created","comment":{"url":"https://api.github.com/repos/edx/edx-platform/pulls/comments/51467901","id":51467901,"diff_hunk":"@@ -1,11 +1,11 @@\n <div class=\"course-wrapper\">\n   <div class=\"accordion\">\n-    <a href=\"accordion-menu-1\" role=\"button\" class=\"button-chapter chapter is-open\" aria-controls=\"accordion-menu-1\">\n+    <a href=\"accordion-menu-1\" role=\"button\" class=\"button-chapter chapter is-open\" aria-controls=\"accordion-menu-1\" aria-expanded=\"true\">","path":"lms/static/js/fixtures/accordion.html","position":4,"original_position":4,"commit_id":"8f19128d83d5d0e14cb180087d1ea10424e89151","original_commit_id":"8f19128d83d5d0e14cb180087d1ea10424e89151","user":{"login":"cahrens","id":484484,"avatar_url":"https://avatars.githubusercontent.com/u/484484?v=3","gravatar_id":"","url":"https://api.github.com/users/cahrens","html_url":"https://github.com/cahrens","followers_url":"https://api.github.com/users/cahrens/followers","following_url":"https://api.github.com/users/cahrens/following{/other_user}","gists_url":"https://api.github.com/users/cahrens/gists{/gist_id}","starred_url":"https://api.github.com/users/cahrens/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cahrens/subscriptions","organizations_url":"https://api.github.com/users/cahrens/orgs","repos_url":"https://api.github.com/users/cahrens/repos","events_url":"https://api.github.com/users/cahrens/events{/privacy}","received_events_url":"https://api.github.com/users/cahrens/received_events","type":"User","site_admin":false},"body":"aria-expanded should be on the \"button\" control, not the content associated with it.","created_at":"2016-02-01T19:32:17Z","updated_at":"2016-02-01T19:32:17Z","html_url":"https://github.com/edx/edx-platform/pull/11395#discussion_r51467901","pull_request_url":"https://api.github.com/repos/edx/edx-platform/pulls/11395","_links":{"self":{"href":"https://api.github.com/repos/edx/edx-platform/pulls/comments/51467901"},"html":{"href":"https://github.com/edx/edx-platform/pull/11395#discussion_r51467901"},"pull_request":{"href":"https://api.github.com/repos/edx/edx-platform/pulls/11395"}}},"pull_request":{"url":"https://api.github.com/repos/edx/edx-platform/pulls/11395","id":57883875,"html_url":"https://github.com/edx/edx-platform/pull/11395","diff_url":"https://github.com/edx/edx-platform/pull/11395.diff","patch_url":"https://github.com/edx/edx-platform/pull/11395.patch","issue_url":"https://api.github.com/repos/edx/edx-platform/issues/11395","number":11395,"state":"open","locked":false,"title":"Fix unit tests so they are testing aria-expanded.","user":{"login":"cahrens","id":484484,"avatar_url":"https://avatars.githubusercontent.com/u/484484?v=3","gravatar_id":"","url":"https://api.github.com/users/cahrens","html_url":"https://github.com/cahrens","followers_url":"https://api.github.com/users/cahrens/followers","following_url":"https://api.github.com/users/cahrens/following{/other_user}","gists_url":"https://api.github.com/users/cahrens/gists{/gist_id}","starred_url":"https://api.github.com/users/cahrens/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cahrens/subscriptions","organizations_url":"https://api.github.com/users/cahrens/orgs","repos_url":"https://api.github.com/users/cahrens/repos","events_url":"https://api.github.com/users/cahrens/events{/privacy}","received_events_url":"https://api.github.com/users/cahrens/received_events","type":"User","site_admin":false},"body":"While searching in edx-platform to see how to test aria-expanded in a Jasmine test, I ran across this example in navigation_spec. However, when I tried the same syntax in my new test, I realized that it always passes.\r\n\r\nThis is because the calls to \"toHaveAttr\" in navigation_spec do not have the correct arguments. This causes the tests to pass without actually verifying the expected behavior.\r\n\r\nSpecifically, \"toHaveAttr\" should take 2 input arguments-- the attribute name and the expected state. In the common directory, there is a \"toHaveAttrs\" helper method that takes a dictionary, but that method is not present in LMS.\r\n\r\nSo I changed these test cases to have the proper signature, and two of the test methods then failed. Looking at the test, I realized that the UI elements weren't being toggled before the state was verified; however, even with that fix, the tests still failed because the wrong elements were being examined.\r\n\r\nThe moral of this story is to **always make sure your test point can fail as well as pass**-- that is, change the expected value to something that should cause the test to fail, and then verify that the test does indeed fail.\r\n\r\n@clrux please review, FYI @andy-armstrong (code reviewer of 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