public static InternalLogger getInstance(Class<?> clazz) {
        return getInstance(clazz.getName());
    }
@Test
    public void testIsErrorEnabled() {
        when(mockLogger.isErrorEnabled()).thenReturn(true);

        InternalLogger logger = InternalLoggerFactory.getInstance("mock");
        assertTrue(logger.isErrorEnabled());
        verify(mockLogger).isErrorEnabled();
    }