@Test
public void transfersShouldShowSystemMessageWithMultipleActiveSenders() {

    final FileSender fileSender1 = createFileSender(1, "video.mp4", 15000L, 44, 56L, "Amy");
    final FileSender fileSender2 = createFileSender(2, "kou.png", 10L, 80, 5L, "Donald");
    final FileSender fileSender3 = createFileSender(4, "radiohead.mp3", 3500L, 25, 103L, "Dolly");
    when(transferList.getFileSenders()).thenReturn(Arrays.asList(fileSender1, fileSender2, fileSender3));
    parser.parse("/transfers");
    verify(messageController).showSystemMessage("File transfers:\n" +
                                                        "- Sending:\n" +
                                                        "  #1 video.mp4 [14.65MB] (44%, 56.00KB/s) to Amy\n" +
                                                        "  #2 kou.png [10.00KB] (80%, 5.00KB/s) to Donald\n" +
                                                        "  #4 radiohead.mp3 [3.42MB] (25%, 103.00KB/s) to Dolly");
}