public void DeleteFolderOk()
        {
            MtpDirectory mtpDirectory = new MtpDirectory();

            mtpDirectory.CreateDirectory(@"Xperia XA\SD Card\Music\abc1\abc2\abc3");
            Assert.True(mtpDirectory.Exists(@"Xperia XA\SD Card\Music\abc1\abc2\abc3"));
            mtpDirectory.Delete(@"Xperia XA\SD Card\Music\abc1\abc2\abc3", false);
            Assert.False(mtpDirectory.Exists(@"Xperia XA\SD Card\Music\abc1\abc2\abc3"));
            Assert.True(mtpDirectory.Exists(@"Xperia XA\SD Card\Music\abc1\abc2"));
        }
        public void DeleteNoPath()
        {
            MtpDirectory mtpDirectory = new MtpDirectory();

            mtpDirectory.Delete(string.Empty, true);
        }