def METHOD_NAME(self):
    self.dialog.ui.combobox_signals.setCurrentText("esaver")
    bits = "".join(self.form.signal_tab_controller.signal_frames[0].proto_analyzer.plain_bits_str)
    self.assertEqual(self.dialog.ui.inpt.text(), bits)
    self.dialog.ui.combobox_signals.setCurrentIndex(0)
    self.assertEqual(self.dialog.ui.inpt.text(), "10010110")