{"action":"created","issue":{"url":"https://api.github.com/repos/robolectric/robolectric/issues/2160","labels_url":"https://api.github.com/repos/robolectric/robolectric/issues/2160/labels{/name}","comments_url":"https://api.github.com/repos/robolectric/robolectric/issues/2160/comments","events_url":"https://api.github.com/repos/robolectric/robolectric/issues/2160/events","html_url":"https://github.com/robolectric/robolectric/issues/2160","id":119660536,"number":2160,"title":"NoClassDefFoundError: com/android/internal/os/BackgroundThread","user":{"login":"ltn614","id":5547058,"avatar_url":"https://avatars.githubusercontent.com/u/5547058?v=3","gravatar_id":"","url":"https://api.github.com/users/ltn614","html_url":"https://github.com/ltn614","followers_url":"https://api.github.com/users/ltn614/followers","following_url":"https://api.github.com/users/ltn614/following{/other_user}","gists_url":"https://api.github.com/users/ltn614/gists{/gist_id}","starred_url":"https://api.github.com/users/ltn614/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ltn614/subscriptions","organizations_url":"https://api.github.com/users/ltn614/orgs","repos_url":"https://api.github.com/users/ltn614/repos","events_url":"https://api.github.com/users/ltn614/events{/privacy}","received_events_url":"https://api.github.com/users/ltn614/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2015-12-01T07:37:45Z","updated_at":"2015-12-03T02:48:58Z","closed_at":null,"body":"I download few sample project, none of them is working. When I run test in grade or AndroidStudio，print  the following error message：estSomething FAILED\r\n    java.lang.NoClassDefFoundError: com/android/internal/os/BackgroundThread\r\n        Caused by:\r\n        java.lang.ClassNotFoundException: com.android.internal.os.BackgroundThread"},"comment":{"url":"https://api.github.com/repos/robolectric/robolectric/issues/comments/161500074","html_url":"https://github.com/robolectric/robolectric/issues/2160#issuecomment-161500074","issue_url":"https://api.github.com/repos/robolectric/robolectric/issues/2160","id":161500074,"user":{"login":"ltn614","id":5547058,"avatar_url":"https://avatars.githubusercontent.com/u/5547058?v=3","gravatar_id":"","url":"https://api.github.com/users/ltn614","html_url":"https://github.com/ltn614","followers_url":"https://api.github.com/users/ltn614/followers","following_url":"https://api.github.com/users/ltn614/following{/other_user}","gists_url":"https://api.github.com/users/ltn614/gists{/gist_id}","starred_url":"https://api.github.com/users/ltn614/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ltn614/subscriptions","organizations_url":"https://api.github.com/users/ltn614/orgs","repos_url":"https://api.github.com/users/ltn614/repos","events_url":"https://api.github.com/users/ltn614/events{/privacy}","received_events_url":"https://api.github.com/users/ltn614/received_events","type":"User","site_admin":false},"created_at":"2015-12-03T02:48:58Z","updated_at":"2015-12-03T02:48:58Z","body":"I use the ./gradlew clean test --info, produce the same error information."}}