user = new TestFessUser("testuser", null, new String[] {}, new String[] {});
        assertNull(user.getRoleNames());

        // Test with roles containing special characters
        roles = new String[] { "role-1", "role_2", "role.3" };
        user = new TestFessUser("testuser", roles, new String[] {}, new String[] {});
        assertArrayEquals(roles, user.getRoleNames());
    }

    @Test
    public void test_getGroupNames() {

                <details>
                  <summary>
                    If you did this intentionally, please accept the change and provide an explanation:
                    <span class="btn btn-info" role="button">Accept this change</span>
                  </summary>
                  <div class="well">
                    In order to accept this change add the following to <code>${relativePathToMainApiChanges()}</code>:

									<li class="nav-item">
										<div class="dropdown">
											<a id="userMenu" class="nav-link dropdown-toggle" data-bs-toggle="dropdown"
												href="#" role="button" aria-haspopup="true" aria-expanded="false"
											> <i class="fa fa-fw fa-user" aria-hidden="true"></i>${username}
											</a>
											<div class="dropdown-menu" aria-labelledby="userMenu">

                                </la:info>
                                <la:errors/>
                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>

                                </la:info>
                                <la:errors/>
                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>

                    document.body.appendChild(downloadLink);

                    downloadLink.click();
                }
            </script>
            <a class="btn btn-info" role="button" onclick="acceptAllErrorCorrections()">Accept Changes for all Errors</a>
        """
    }

    private static String buildAutoSelectSeverityFilter() {
        // language=javascript
        return """

                                                <tr
                                                        data-href="${contextPath}/admin/crawlinginfo/details/4/${f:u(data.id)}" role="button" tabindex="0">
                                                    <td>${f:h(data.sessionId)}</td>
                                                    <td><fmt:formatDate

            }
        } catch (Exception e) {
            // Expected for null URL
        }

        // Test with empty role and virtual host lists
        Map<String, Object> emptyListsMap = new HashMap<>();
        emptyListsMap.put("url", "http://test.com");
        emptyListsMap.put("role", new ArrayList<String>());
        emptyListsMap.put("virtual_host", new ArrayList<String>());

    }

    @Test
    public void test_toStringShortContent() {
        final LlmMessage message = new LlmMessage("user", "Short content");
        final String str = message.toString();
        assertTrue(str.contains("role='user'"));
        assertTrue(str.contains("content='Short content'"));
    }

    @Test
    public void test_toStringLongContent() {
        final StringBuilder longContent = new StringBuilder();

                                    <label for="doc.role" class="col-sm-3 text-sm-right col-form-label">role</label>
                                    <div class="col-sm-9">
                                        <la:errors property="doc.role"/>
                                        <la:textarea styleId="doc.role"
                                                     property="doc.role" styleClass="form-control"