Fix syntax

Change-Id: I76c823ff001e2ead182aa0e75bda99d35186ba0c
diff --git a/jjb/pipeline/voltha-physical-build-and-tests.groovy b/jjb/pipeline/voltha-physical-build-and-tests.groovy
index 3d6f6b8..466bd48 100644
--- a/jjb/pipeline/voltha-physical-build-and-tests.groovy
+++ b/jjb/pipeline/voltha-physical-build-and-tests.groovy
@@ -277,7 +277,7 @@
     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"
         ROBOT_FILE="Voltha_PODTests.robot"
       }
       steps {