@Test
public void testFindLevelWithThreadName() throws Exception {

    Log log = mock(Log.class);
    DubboAppender.logList.add(log);
    when(log.getLogLevel()).thenReturn(Level.ERROR);
    when(log.getLogThread()).thenReturn("thread-1");
    log = mock(Log.class);
    DubboAppender.logList.add(log);
    when(log.getLogLevel()).thenReturn(Level.ERROR);
    when(log.getLogThread()).thenReturn("thread-2");
    assertThat(LogUtil.findLevelWithThreadName(Level.ERROR, "thread-2"), equalTo(1));
}