Make all test sequential
Make all test sequential

tishan89/siddhi,wso2/siddhi,mohanvive/siddhi,minudika/siddhi,gokul/siddhi,tishan89/siddhi,wso2/siddhi,dilini-muthumala/siddhi,ramindu90/siddhi,suhothayan/siddhi,dilini-muthumala/siddhi,ramindu90/siddhi,grainier/siddhi,gokul/siddhi,minudika/siddhi,suhothayan/siddhi,mohanvive/siddhi,grainier/siddhi