public String getPath() {
        return null == parentNode ? String.join("/", type) : String.join("/", parentNode, type);
    }
@Test
    void assertPathWithNullParentNode() {
        UniqueRuleItemNodePath uniqueRuleItemNodePath = new UniqueRuleItemNodePath(new RuleRootNodePath("foo"), "test_path");
        assertThat(uniqueRuleItemNodePath.getPath(), is("test_path"));
    }