add wiremock to depmgmt
<artifactId>athenz-zts-java-client</artifactId>
<version>${athenz.version}</version>
</dependency>
+ <dependency>
+ <groupId>com.github.tomakehurst</groupId>
+ <artifactId>wiremock-standalone</artifactId>
+ <version>2.6.0</version>
+ </dependency>
</dependencies>
</dependencyManagement>
