Reactivate tests

they were deactivated due to misconfiguration
6207166
where it was configured to use Junit4 although it is TestNg tests which
are used

Signed-off-by: Aurélien Pupier <apupier@ibm.com>

Author: apupier

pom.xml

@@ -85,12 +85,11 @@
                 <dependencies>
                     <dependency>
                         <groupId>org.apache.maven.surefire</groupId>
-                        <artifactId>surefire-junit4</artifactId>
+                        <artifactId>surefire-testng</artifactId>
                         <version>${surefire-version}</version>
                     </dependency>
                 </dependencies>
                 <configuration>
-                    <testNGArtifactName>none:none</testNGArtifactName>
                     <argLine>-javaagent:${settings.localRepository}/org/jmockit/jmockit/${jmockit-version}/jmockit-${jmockit-version}.jar -XX:+IgnoreUnrecognizedVMOptions --add-opens=java.base/java.util=ALL-UNNAMED</argLine>
                 </configuration>
             </plugin>