Fix test failure

components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.api/src/test/java/org/wso2/carbon/mdm/services/android/mocks/DeviceManagementProviderServiceMock.java

@@ -72,6 +72,7 @@ import org.wso2.carbon.device.mgt.common.policy.mgt.PolicyMonitoringManager;
 import org.wso2.carbon.device.mgt.common.pull.notification.PullNotificationExecutionFailedException;
 import org.wso2.carbon.device.mgt.common.push.notification.NotificationStrategy;
 import org.wso2.carbon.device.mgt.common.spi.DeviceManagementService;
+import org.wso2.carbon.device.mgt.common.type.mgt.DeviceStatus;
 import org.wso2.carbon.device.mgt.core.dto.DeviceType;
 import org.wso2.carbon.device.mgt.core.dto.DeviceTypeVersion;
 import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
@@ -459,6 +460,26 @@ public class DeviceManagementProviderServiceMock implements DeviceManagementProv
         return false;
     }
 
+    @Override
+    public List<DeviceStatus> getDeviceStatusHistory(Device device) throws DeviceManagementException {
+        return null;
+    }
+
+    @Override
+    public List<DeviceStatus> getDeviceStatusHistory(Device device, Date date, Date date1) throws DeviceManagementException {
+        return null;
+    }
+
+    @Override
+    public List<DeviceStatus> getDeviceCurrentEnrolmentStatusHistory(Device device) throws DeviceManagementException {
+        return null;
+    }
+
+    @Override
+    public List<DeviceStatus> getDeviceCurrentEnrolmentStatusHistory(Device device, Date date, Date date1) throws DeviceManagementException {
+        return null;
+    }
+
     @Override
     public void notifyOperationToDevices(Operation operation, List<DeviceIdentifier> list)
             throws DeviceManagementException {