Directive matched = robotsTxt.getMatchedDirective("GoogleBot");
        assertNotNull(matched);
        assertEquals("Google*", matched.getUserAgent());
    }

    public void test_getMatchedDirectiveWithNullUserAgent() {
        // Test getMatchedDirective with null user agent
        RobotsTxt robotsTxt = new RobotsTxt();

        Directive directive = new Directive("*");
        robotsTxt.addDirective(directive);