Xfailed test_call_log_all_calls due to bug 897036
Bug 897036 - Dialer app remains at 10% loading when test_call_log_all_calls is run
https://bugzilla.mozilla.org/show_bug.cgi?id=897036

whatever
Merge pull request #1143 from bebef1987/xfail_call

Xfailed test_call_log_all_calls due to bug 897036