Save per-test container logs on test failure

Change-Id: Ifc0c8793882fb0a1773cf46cfa6fe640b59cb21e
diff --git a/jjb/pipeline/voltha-physical-build-and-tests.groovy b/jjb/pipeline/voltha-physical-build-and-tests.groovy
index 3f9eda8..0769878 100644
--- a/jjb/pipeline/voltha-physical-build-and-tests.groovy
+++ b/jjb/pipeline/voltha-physical-build-and-tests.groovy
@@ -278,7 +278,7 @@
     stage('Run E2E Tests') {
       environment {
         ROBOT_CONFIG_FILE="${localDeploymentConfigFile}"
-        ROBOT_MISC_ARGS="${params.extraRobotArgs} --removekeywords wuks -d $WORKSPACE/RobotLogs "
+        ROBOT_MISC_ARGS="${params.extraRobotArgs} --removekeywords wuks -d $WORKSPACE/RobotLogs -v container_log_dir:$WORKSPACE "
         ROBOT_FILE="Voltha_PODTests.robot"
       }
       steps {