public static synchronized void yell(final String tag, String text, Object... args) {
    if (msLogger.supportsYell()) {
      String msg = getFormattedString(text, args);
      msLogger.yell(tag, msg);
      addLog(LVL_YELL, tag, msg);
    }
  }
@Test
  public void testYell() throws Exception {
    Logger.yell("mTag", "Text with %d digits", 2);
    Mockito.verify(mMockLog).yell("mTag", "Text with 2 digits");

    Logger.yell("mTag", "Text with no digits");
    Mockito.verify(mMockLog).yell("mTag", "Text with no digits");
  }