assertFalse(AdminLogAction.isLogFilename("fess.LOG.GZ"));
        assertFalse(AdminLogAction.isLogFilename("fess.LOG.gz"));
    }

    @Test
    public void test_isLogFilename_withEmptyString() {
        assertFalse(AdminLogAction.isLogFilename(""));
    }

    @Test
    public void test_isLogFilename_withPathSeparators() {