#44: Add tests to check support of ``manager``, ``model`` or ``string`` as second argument in ``assert_count`` and ``assert_not_count`` methods.
#44: Add tests to check support of ``manager``, ``model`` or ``string`` as second argument in ``assert_count`` and ``assert_not_count`` methods.

playpauseandstop/tddspry,playpauseandstop/tddspry