pom: add junit and grpc-testing for jetcd testing
<!-- test dependencies -->
<testng.version>6.9.10</testng.version>
<mockito.version>1.10.19</mockito.version>
- <assertj.version>3.5.2</assertj.version>
+ <assertj.version>3.8.0</assertj.version>
+ <junit.version>4.12</junit.version>
</properties>
<dependencies>
<version>${slf4j.version}</version>
<scope>test</scope>
</dependency>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>${junit.version}</version>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>io.grpc</groupId>
+ <artifactId>grpc-testing</artifactId>
+ <version>${grpc.version}</version>
+ <scope>test</scope>
+ </dependency>
</dependencies>
<build>
