pom.xml: try newer version of TestNG
Trigger a build to see if upgrading TestNG helps with stability.
The issue is that, in some cases, functions are not called:
TestApiListener is then not properly unregistered, which causes random tests failures.
<properties>
<killbill.version>${project.version}</killbill.version>
</properties>
+ <dependencyManagement>
+ <dependencies>
+ <dependency>
+ <groupId>org.testng</groupId>
+ <artifactId>testng</artifactId>
+ <version>6.12</version>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+ </dependencyManagement>
</project>
