PROD-36050 Fix pipeline for test scenarios

Change-Id: Id6ddefd448690bf3c0aa744d17e169b650026d7c
diff --git a/jobs/pipelines/run-test-scenarios.groovy b/jobs/pipelines/run-test-scenarios.groovy
index 5875b3c..f62825f 100644
--- a/jobs/pipelines/run-test-scenarios.groovy
+++ b/jobs/pipelines/run-test-scenarios.groovy
@@ -24,7 +24,7 @@
 
 def steps = env.PASSED_STEPS
 def make_snapshot_stages = false
-def env.LAB_CONFIG_NAME = env.LAB_CONFIG_NAME ?: env.ENV_NAME
+env.LAB_CONFIG_NAME = env.LAB_CONFIG_NAME ?: env.ENV_NAME
 
 timeout(time: 23, unit: 'HOURS') {
     node ("${PARENT_NODE_NAME}") {