making it a bit easier to run individual tests in Doc.hs

[bbarker]

Overview

Previously, running e.g. stack test --fast unison-syntax --ta "DocParser.Hello"

Would result in:

Randomness seed for this run is 5876492311547008607
Raw test output to follow ...
------------------------------------------------------------
------------------------------------------------------------


😶  hmm ... no test results recorded
Tip: use `ok`, `expect`, or `crash` to record results
Tip: if running via `runOnly` or `rerunOnly`, check for typos

Now with this change we get:

🦄  DocParser.Hello.# Hello
🦄  DocParser.HelloAgain.# Hello
## Again

🦄  DocParser.HelloAgain.## Hello
# Again

I'm not sure this is the best solution, but maybe it is something to start with.

[aryairani]

Sorry I thought I’d merged this already

[aryairani]

No wait; this is new 😅

[aryairani]

I guess the issue is that some of the test names are not easy (and maybe not possible?) to provide at the command-line, due to weird stuff like newlines. And are there maybe tests with no name at all?

But could you add some comments to the code about what this line is trying to accomplish and why?