public String[] getRoleNames() {
            return roleNames;
        }

        public void setGroupNames(String[] groupNames) {
            this.groupNames = groupNames;
        }

        @Override
        public String[] getGroupNames() {
            return groupNames;
        }

        public void setPermissions(String[] permissions) {
            this.permissions = permissions;
        }

                // Do nothing
            }
        }, "activityHelper");

        String[] groupNames = ldapUser.getGroupNames();
        assertNotNull(groupNames);
        assertEquals(2, groupNames.length);
        assertEquals("group1", groupNames[0]);
        assertEquals("group2", groupNames[1]);
    }

    public void test_getGroupNames_empty() {
        // Test when no groups match the prefix

        private final String[] roleNames;
        private final String[] groupNames;
        private final String[] permissions;

        public TestFessUser(String name, String[] roleNames, String[] groupNames, String[] permissions) {
            this.name = name;
            this.roleNames = roleNames;
            this.groupNames = groupNames;
            this.permissions = permissions;
        }

        @Override

							</sources>
						</mapping>
						<mapping>
							<directory>${packaging.fess.var.dir}</directory>
							<filemode>755</filemode>
							<username>${packaging.fess.user}</username>
							<groupname>${packaging.fess.group}</groupname>
						</mapping>
						<!-- bin -->
						<mapping>
							<directory>${packaging.fess.bin.dir}</directory>
							<filemode>755</filemode>
							<sources>
								<source>

                }
                final String groupName = getSearchRoleName(groupDn);
                final String roleType = updateSearchRoles(roleSet, groupDn, groupName);
                if (fessConfig.getRoleSearchGroupPrefix().equals(roleType) && fessConfig.isLdapSamaccountnameGroup()) {
                    getSAMAccountGroupName(bindDn, groupName).ifPresent(sAMAccountGroupName -> {