}

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

    @Test
    public void test_isLogFilename_withPathSeparators() {
        // isLogFilename only checks the file extension, not path components
        assertTrue(AdminLogAction.isLogFilename("subdir/fess.log"));
        assertTrue(AdminLogAction.isLogFilename("../fess.log"));