-import java.net.URI;
-import java.util.Arrays;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicReference;
-
-import org.junit.Test;
-import org.opendaylight.controller.remote.rpc.messages.InvokeRpc;
-import org.opendaylight.controller.remote.rpc.messages.RpcResponse;
-import org.opendaylight.controller.xml.codec.XmlUtils;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.common.RpcResult;
-import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
-import org.opendaylight.yangtools.yang.common.RpcError.ErrorSeverity;
-import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
-import org.opendaylight.yangtools.yang.data.api.CompositeNode;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-
-import akka.testkit.JavaTestKit;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.when;