Invisible coverage

[alanshaw]

We have test coverage we can't track.

Coverage for tests that run against a JS IPFS daemon (i.e. not an in-process node) is not tracked because the code for the daemon is not instrumented.

It means that when removing duplicate tests that exist both here and in interface-ipfs-core test coverage appears to lower even though this is not the case.

[mikeal]

node-tap has a ton of code in it that instruments subprocesses so that even these kinds of things get test coverage. Maybe there is some code we can steal there.

[achingbrain]

Closing as this issue is very stale. Helia tests in-process so this isn't a problem going forward.