nodeMatchingBoth.addAttribute("href", "#");
        nodeMatchingBoth.addAttribute("class", "nav-link");
        assertTrue(tagWithAttrAndCss.matches(nodeMatchingBoth));

        MockNode nodeWithWrongAttr = new MockNode("a");
        nodeWithWrongAttr.addAttribute("href", "http://example.com");
        nodeWithWrongAttr.addAttribute("class", "nav-link");

        return value;
    }

    /**
     * Adds an attribute to the factory.
     * @param name The name of the attribute.
     * @param value The value of the attribute.
     */
    public void addAttribute(final String name, final Object value) {
        attributeMap.put(name, value);
    }

    /**
     * Adds a feature to the factory.
     * @param key The key of the feature.

        final Attribute attr = new BasicAttribute(name, value);
        final ModificationItem mod = new ModificationItem(DirContext.ADD_ATTRIBUTE, attr);
        modifyList.add(mod);
    }

    /**
     * Modifies an entry by replacing an attribute.
     *
     * @param modifyList The list of modification items.