this.presentFeatures = copyToSet(presentFeatures);
    this.absentFeatures = copyToSet(absentFeatures);
  }

  public TesterRequirements(TesterRequirements tr) {
    this(tr.getPresentFeatures(), tr.getAbsentFeatures());
  }

  public TesterRequirements() {
    this(Collections.<Feature<?>>emptySet(), Collections.<Feature<?>>emptySet());
  }

     * <caption>Copied JavaBeans Properties</caption>
     * <tr>
     * <th>JavaBeansのプロパティ名</th>
     * <th>{@literal Map}のプロパティ名</th>
     * </tr>
     * <tr>
     * <td>{@literal foo}</td>
     * <td>{@literal foo}</td>
     * </tr>
     * <tr>
     * <td>{@literal foo_bar}</td>
     * <td>{@literal foo.bar}</td>
     * </tr>
     * <tr>
     * <td>{@literal foo_bar_baz}</td>

                                                <tr>
                                                    <th><la:message key="labels.webauth_list_hostname"/></th>
                                                    <th><la:message
                                                            key="labels.webauth_list_web_crawling_config"/></th>
                                                </tr>
                                                </thead>

                                    <tr>
                                        <th style="width: 25%"><la:message
                                                key="labels.group_name"/></th>
                                        <td>${f:h(name)}<la:hidden property="name"/></td>
                                    </tr>
                                    <tr>

                                            <thead>
                                            <tr>
                                                <th><la:message
                                                        key="labels.access_token_list_name"/></th>
                                            </tr>
                                            </thead>
                                            <tbody>

                                    <thead>
                                    <tr>
                                        <th><la:message key="labels.dictionary_name"/></th>
                                        <th><la:message key="labels.dictionary_type"/></th>
                                    </tr>
                                    </thead>
                                    <tbody>

		  </Transition>`,
			err: errXMLNotWellFormed,
		},
	}

	for i, tc := range trTests {
		var tr Transition
		err := xml.Unmarshal([]byte(tc.input), &tr)
		if err != nil {
			t.Fatalf("%d: xml unmarshal failed with %v", i+1, err)
		}
		if err = tr.Validate(); err != tc.err {
			t.Fatalf("%d: Invalid transition %v: err %v", i+1, tr, err)
		}
	}

	ntrTests := []struct {
		input string
		err   error
	}{
		{

                                            <thead>
                                            <tr>
                                                <th><la:message
                                                        key="labels.boost_document_rule_list_url_expr"/></th>
                                            </tr>
                                            </thead>
                                            <tbody>

                                                <tr>
                                                    <th><la:message key="labels.reqheader_list_name"/></th>
                                                    <th><la:message
                                                            key="labels.reqheader_list_web_crawling_config"/></th>
                                                </tr>
                                                </thead>

                                            </tr>
                                            </thead>
                                            <tbody>
                                            <c:forEach var="data" varStatus="s"
                                                       items="${scheduledJobItems}">
                                                <tr