def add_before ( self ):
        self.add_item( 0 )

    #---------------------------------------------------------------------------
    #  Inserts a new item after the current item:
    #---------------------------------------------------------------------------
We should be able to set the host on the client.
dataset/ETHPy150Open enthought/traitsui/traitsui/qt4/list_editor.py/SimpleEditor.add_before--crossover with--dataset/ETHPy150Open soundcloud/soundcloud-python/soundcloud/tests/test_client.py/test_host_config