[fix][core] common class adding

PRODX-6926

Change-Id: Ia48211fadd3f0371fc7f676475e731c90d7d6537
diff --git a/src/com/mirantis/mk/KaasUtils.groovy b/src/com/mirantis/mk/KaasUtils.groovy
index f22d358..41e4402 100644
--- a/src/com/mirantis/mk/KaasUtils.groovy
+++ b/src/com/mirantis/mk/KaasUtils.groovy
@@ -171,6 +171,7 @@
  *                     ]
  */
 def multiregionWorkflowParser(keyword) {
+    def common = new com.mirantis.mk.Common()
     def supportedManagementProviders = ['os', 'aws']
     def supportedRegionalProviders = ['os']