Custom function role test

Author: Sergii Kovalev

lib/stackops/lambdaRole.js

@@ -35,7 +35,9 @@ module.exports = function(currentTemplate, aliasStackTemplates, currentAliasStac
 	const role = stageStack.Resources.IamRoleLambdaExecution;
 
 	// Set role name
-	_.last(role.Properties.RoleName['Fn::Join']).push(this._alias);
+	if (role.Properties.RoleName['Fn::Join']) {
+		_.last(role.Properties.RoleName['Fn::Join']).push(this._alias);
+	}
 
 	stageStack.Resources[roleLogicalId] = stageStack.Resources.IamRoleLambdaExecution;
 	delete stageStack.Resources.IamRoleLambdaExecution;