54     void testSkipBackward();

    54     void testSkipBackward();

    55     void testSetPosition();

    55     void testSetPosition();

    56     void testSetShuffle();

    56     void testSetShuffle();

    57     void testSetRepeat();

    57     void testSetRepeat();

    58     void testHandlePlaybackMessage();

    58     void testHandlePlaybackMessage();

    59     void testHandleProperty();

    60     void testHandleProperty();

    60     void testHandleMedia();

    61     void testHandleMedia();

    61     void testHandleMediaDetails();

    62     void testHandleMediaDetails();

    62     void testRetrieveSongDetails();

    63     void testRetrieveSongDetails();

    63     void testUpdateState();

    64     void testUpdateState();