Testing

[davpin]

Currently we have ok unit test coverage for quotes, accounts and portfolio (although probably should have more and better ones).

Issues are:

• some unit tests are not really unit tests as they call out to external services. these should be contained to code.
• no integration testing

Building a CI pipeline using concourse, so probably a good idea to have more automated testing as this will allow to release more often.

It would be good if we could have integration testing for each service and also some end-2-end testing (maybe with selenium???)

[mmcvay-pivotal]

Test comment from Martin