Merge pull request #531 from cloudsufi/e2e-tests_mysql #1162

Job	Run time
build (mysql-plugin)	1h 34m 20s
build (postgresql-plugin)	24m 11s
build (oracle-plugin)	2h 27m 6s
build (mssql-plugin)	1h 17m 26s
build (cloudsql-mysql-plugin)	57m 38s
build (cloudsql-postgresql-plugin)	41m 58s
	7h 22m 39s

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