EDIT

package eu.etaxonomy.cdm.api.service;

import static org.junit.Assert.assertNotNull;

import static org.junit.Assert.assertNull;

import java.util.ArrayList;

import java.util.List;

import java.util.UUID;

import org.junit.Assert;

import org.apache.log4j.Logger;

import org.junit.Test;

import org.springframework.security.core.GrantedAuthority;

import org.unitils.spring.annotation.SpringBeanByType;

import eu.etaxonomy.cdm.api.service.exception.ReferencedObjectUndeletableException;

import eu.etaxonomy.cdm.model.common.GrantedAuthorityImpl;

import eu.etaxonomy.cdm.model.common.Group;

import eu.etaxonomy.cdm.model.common.User;

import eu.etaxonomy.cdm.test.integration.CdmIntegrationTest;

public class GroupServiceImplTest extends CdmIntegrationTest {

	private static final Logger logger = Logger.getLogger(GroupServiceImplTest.class);

    @SpringBeanByType

    IGroupService groupService;

    @SpringBeanByType

    IUserService userService;

    @Test

    public void testDeleteGroup(){

    	GrantedAuthorityImpl testAuthority = GrantedAuthorityImpl.NewInstance();

    	testAuthority.setAuthority("ADMIN_ALL");

    	Group group = Group.NewInstance("TestGroup");

    	group.addGrantedAuthority(testAuthority);

    	UUID groupUUID =  groupService.saveGroup(group);

    	User user1 = User.NewInstance("TestUser1", "pwd");

    	UUID UserUUID =  userService.save(user1);

		groupService.delete(group);

    	group = groupService.find(groupUUID);

    	assertNull(group);

    	user1 = userService.find(UserUUID);

    	assertNotNull(user1);

    }

}