add 'test' support, allows content of responses to be checked

[bpytlik]

Abao does a great job of checking the form of the response. For my needs though, I needed to check the content as well. I could have duplicate sets of tests, one for checking the form (in abao) and another for checking the content (not in abao), but that seemed like a waste. I thought adding the ability to check the content within the test would be useful. I hope you agree!

I'm happy to rename the function from 'test' to 'contentTest' or something else similar if you think 'test' will be too confusing.

[cybertk]

Your PR is awesome, could you also have a look on #35. We used to talk about the test feature. And we try to make a brand new and clean syntax for those, but we have not find it yet.

BTW, I think test is good.

[cybertk]

I'm thinking you are using abao to to more things, like arbitrary HTTP testing. It's more like jasmine or something like that. Can we learn some from that?

[bpytlik]

Thanks for the encouragement!

I've been thinking about #35 some while working on this PR.

You're right that I'm using abao to do some more general testing. I'm not familiar with jasmine, but a lot of my recent testing experience has been w/ mocha.

I'll add some thoughts to #35 about what might be the path forward.

[joostmeijles]

Content testing would indeed be very helpful, when will this be merged in?

[cybertk]

Can someone help rebase this PR?

[bpytlik]

I'm going to be away for about 2 weeks, but I'll probably have time to look at this early in 2016. I'm happy to rebase it if there's a strong chance it'll be taken.

[forrest-ua]

It would be great! I'm sure the community is waiting for this. Thanks in advance.

[bpytlik]

Closing as I've opened a new PR that is rebased on the current gate tip. It can be found here #63.