test: reflect maintenance api change in MaintenanceTest
@@ -4,7 +4,7 @@ import com.coreos.jetcd.Client;
import com.coreos.jetcd.ClientBuilder;
import com.coreos.jetcd.Maintenance;
import com.coreos.jetcd.Maintenance.Snapshot;
-import com.coreos.jetcd.api.StatusResponse;
+import com.coreos.jetcd.maintenance.StatusResponse;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
