Fix build failures

Author: abh1sar

engine/schema/src/test/java/org/apache/cloudstack/backup/dao/BackupDaoImplTest.java

@@ -22,7 +22,6 @@
 import java.util.HashMap;
 import java.util.Map;
 
-import org.apache.cloudstack.api.ApiConstants;
 import org.apache.cloudstack.api.response.BackupResponse;
 import org.apache.cloudstack.backup.Backup;
 import org.apache.cloudstack.backup.BackupOfferingVO;

server/src/test/java/org/apache/cloudstack/backup/BackupManagerTest.java

@@ -31,13 +31,11 @@
 import com.cloud.exception.ResourceUnavailableException;
 import com.cloud.host.HostVO;
 import com.cloud.host.dao.HostDao;
-import com.cloud.hypervisor.Hypervisor;
 import com.cloud.offering.DiskOffering;
 import com.cloud.offering.DiskOfferingInfo;
 import com.cloud.service.ServiceOfferingVO;
 import com.cloud.service.dao.ServiceOfferingDao;
 import com.cloud.storage.DiskOfferingVO;
-import com.cloud.storage.VMTemplateVO;
 import com.cloud.exception.ResourceAllocationException;
 import com.cloud.storage.Volume;
 import com.cloud.storage.VolumeApiService;