Add script that runs int & system tests together
Add script that runs int & system tests together

It seems our pipeline is having issued running bash commands like
`command1 && command2`.

[#147330037]

Signed-off-by: Denise Yu <d2c4da7d6ea264fda124d8d8d8780e90b8d0b85a@pivotal.io>

pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release