if build-all-tests label use -Dmaven.test.failure.ignore=true

Signed-off-by: Olivier Lamy <olamy@apache.org>

Jenkinsfile

@@ -118,6 +118,9 @@ def mavenBuild(jdk, cmdline, mvnName) {
             echo "Not using build cache"
             extraArgs = " -Dmaven.test.failure.ignore=true -Dmaven.build.cache.enabled=false "
           }
+          if (pullRequest.labels.contains("build-all-tests")) {
+            extraArgs = " -Dmaven.test.failure.ignore=true "
+          }
           sh "mvn $extraArgs -DsettingsPath=$GLOBAL_MVN_SETTINGS -Dmaven.repo.uri=http://nexus-service.nexus.svc.cluster.local:8081/repository/maven-public/ -ntp -s $GLOBAL_MVN_SETTINGS -Dmaven.repo.local=.repository -Pci -V -B -e -U $cmdline"
         }
       }