message: updates kafka source gherkin script
diff: @@ -5,7 +5,7 @@ Feature: Kafka Event Source
  Background:
  Given user has installed Serverless Operator
  - And user has created Knative Kafka instance in knative-eventing namespace
  + And user has created Knative Kafka instance with source enabled true in knative-eventing namespace
  And user has installed Red Hat Integration - AMQ Streams operator
  And user has created Kafka instance and Topics
  And user has created or selected namespace "aut-kafka"
  