Cleaning up TCP transport pom and moving org.wso2.siddhi.core.test.util.SiddhiTestHelper to org.wso2.siddhi.core.util.SiddhiTestHelper
Cleaning up TCP transport pom and moving org.wso2.siddhi.core.test.util.SiddhiTestHelper to org.wso2.siddhi.core.util.SiddhiTestHelper

ramindu90/siddhi-io-kafka,wso2-extensions/siddhi-io-kafka