def METHOD_NAME(self):
    interface_a = self.InterfaceA()
    interface_a2 = self.InterfaceA()
    interface_b = self.InterfaceB()
    data_interfaces_list = [interface_a, interface_b, interface_a2]
    converter = ConverterPipe(data_interfaces=data_interfaces_list)
    data_interface_names = list(converter.data_interface_objects.keys())
    expected_interface_names = ["InterfaceA001", "InterfaceB", "InterfaceA002"]
    self.assertListEqual(data_interface_names, expected_interface_names)