Use large instance with faster io to get rid of test flakes
Use large instance with faster io to get rid of test flakes

Signed-off-by: Svett Ralchev <da5e7676cee2b8579db636d977fd7d6ee8a31e38@pivotal.io>

shashidharatd/garden-linux,cloudfoundry-incubator/garden-linux,shashidharatd/garden-linux,shashidharatd/garden-linux,cloudfoundry-incubator/garden-linux,cloudfoundry-incubator/garden-linux,shashidharatd/garden-linux