@Test
public void testLoggerAsStringAndLogBackLevelAndLoggerAsNull() {

    Assert.assertNotNull(logbackVerboseConfigurator);
    Assert.assertNotNull(loggerContext);
    try {
        logbackVerboseConfigurator.setLoggerLevel((String)null, Level.WARN);
        Assert.assertFalse(false);
    }catch(IllegalArgumentException ex) {
        Assert.assertTrue(ex.getMessage().equals("name argument cannot be null"));
    }
}