Axes text to show up in the test figure

[ruaridhg]

[ruaridhg]

@dstansby for clarification axes text needs to appear in the below example:

[dstansby]

Yep (and the rest of them). Thinking about this, it's probably worth holding off on this until #2 has been done, and then it will be much easier because we can define a custom style sheet for the tests.

[ruaridhg]

Good point, when I was exploring options for this issue I came across style sheets so I'll hold off for now