Fix maven build
Change-Id: I7fe9ffc18ac27a47a23cb2960632b941e02d6176
diff --git a/incubator/protobuf/services/nb/pom.xml b/incubator/protobuf/services/nb/pom.xml
index 769bf0e..8adab7e 100644
--- a/incubator/protobuf/services/nb/pom.xml
+++ b/incubator/protobuf/services/nb/pom.xml
@@ -47,6 +47,13 @@
<artifactId>onos-incubator-grpc-api</artifactId>
<version>${project.version}</version>
</dependency>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-api</artifactId>
+ <version>${project.version}</version>
+ <classifier>tests</classifier>
+ <scope>test</scope>
+ </dependency>
</dependencies>