'Prepare the session after the connection has been established
This method handles some differences that occur between various devices
early on in the session.
In general, it should include:
self._test_channel_read()
self.set_base_prompt()
self.disable_paging()
self.set_terminal_width()'

def session_preparation(self):

    self._test_channel_read()
    self.set_base_prompt()
    self.disable_paging()
    self.set_terminal_width()
