fix undefine test variable

Change-Id: I2c06a5c09a8c1fb59b412706c520164a5368cffc
diff --git a/lab-pipeline.groovy b/lab-pipeline.groovy
index b4014b6..5b7cc11 100644
--- a/lab-pipeline.groovy
+++ b/lab-pipeline.groovy
@@ -41,7 +41,7 @@
 openstack = new com.mirantis.mk.Openstack()
 salt = new com.mirantis.mk.Salt()
 common = new com.mirantis.mk.Common()
-
+test = new com.mirantis.mk.Test()
 
 timestamps {
     node {