^^^^^^^^^^^^^^^^^^^^^^^^^^
* ``TestCase.wait`` methods take two argument, ``timeout`` and ``times``.
* Add ``wait_until`` method and ``timeout`` class variable on ``TestCase``.
* Default value of ``TestCase.wait_time`` is same as local and travis ci. If
longer wait time is required on travis, change ``wait_time`` on each test
case.
* Support access log on aiohttp server