e2e cloudsqlmysql sink additional scenarios #1312

Job	Run time
build (mysql-plugin)	1h 19m 16s
build (mysql-plugin)	1h 19m 16s
build (postgresql-plugin)	31m 53s
build (postgresql-plugin)	31m 53s
build (oracle-plugin)	2h 12m 1s
build (oracle-plugin)	2h 12m 24s
build (mssql-plugin)	1h 19m 17s
build (mssql-plugin)	1h 19m 17s
build (cloudsql-mysql-plugin)	1h 33m 30s
build (cloudsql-mysql-plugin)	1h 33m 30s
build (cloudsql-postgresql-plugin)	6m 46s
build (cloudsql-postgresql-plugin)	6m 46s
	14h 5m 49s

Provide feedback