test suite fails in MinGW / Git Bash on windows

[paulirish]

I mentioned this in #407

It turns out these failures exist on master branch too. We've been avoiding them cuz appveyor uses cygwin (which seems pretty uncommon these days IMO)

There are no problems using WSL.

But git bash aka MinGW, which is the bash environment for github windows environment, has a few failures. You can see them here: https://github.com/so-fancy/diff-so-fancy/pull/407/checks?check_run_id=2615100841

Disclaimer: I personally don't care about these being fixed. IMO it's reasonable to expect all dsf windows users to be on WSL and that's it. But.. sharing since I looked into it a bit.

Here's a bit more detail..

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not ok 3 Vanilla diff with add/remove empty lines (#366)

looks like there's no block outputted at all.

not ok 17 Empty file add and not ok 18 Empty file delete

not sure, but the assertions about line 5 are found on line 7 here. why? dunno.

but maybe this explains?

not ok 33 Hunk formatting: @@ -1,6 +1,6 @@

easy to see. something really weird with the :3 @ckage.json output…

not ok 37 non-git diff parsing

:8355 @anual.xml.head . same thing as the hunk formatting, looks like.

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anyway that's it.