fix build failure

Author: Pearl1594

server/src/test/java/com/cloud/network/router/NetworkHelperImplTest.java

@@ -20,45 +20,23 @@
 import com.cloud.agent.api.Answer;
 import com.cloud.agent.api.Command;
 import com.cloud.agent.manager.Commands;
-import com.cloud.deploy.DeploymentPlan;
 import com.cloud.exception.AgentUnavailableException;
-import com.cloud.exception.InsufficientAddressCapacityException;
 import com.cloud.exception.OperationTimedoutException;
 import com.cloud.exception.ResourceUnavailableException;
-import com.cloud.network.Network;
 import com.cloud.network.NetworkModel;
-import com.cloud.network.addr.PublicIp;
 import com.cloud.network.dao.NetworkDao;
-import com.cloud.network.dao.NetworkVO;
-import com.cloud.offering.NetworkOffering;
-import com.cloud.offerings.NetworkOfferingVO;
-import com.cloud.user.Account;
-import com.cloud.utils.net.Ip;
-import com.cloud.vm.NicProfile;
-import com.cloud.vm.NicVO;
 import com.cloud.vm.dao.NicDao;
 import org.apache.cloudstack.engine.orchestration.service.NetworkOrchestrationService;
-import org.apache.cloudstack.network.router.deployment.RouterDeploymentDefinition;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Matchers;
 import org.mockito.Mock;
-import org.mockito.Mockito;
 import org.mockito.runners.MockitoJUnitRunner;
 
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyLong;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.ArgumentMatchers.nullable;
-import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.lenient;
 import static org.mockito.Mockito.mock;