Merge pull request #538 from cloudsufi/e2e-tests_oraclesink #1211

Job	Run time
build (mysql-plugin)	1h 43m 9s
build (postgresql-plugin)	24m 4s
build (oracle-plugin)	2h 39m 34s
build (mssql-plugin)	1h 19m 51s
build (cloudsql-mysql-plugin)	53m 4s
build (cloudsql-postgresql-plugin)	42m 5s
	7h 41m 47s

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