Cannot print error details on tests with .only

[kuceb]

Bug (regression - 4.0.0)

In open mode, if you put an .only on a failing test
and click on the error,

the error is not printed to console;
instead it fails with

No error found for test id [testid]

this is due to changes with handling mocha .only tests made for 4.0

[jennifer-shehane]

I would not really broadly apply this to any failing test with a .only. I can reproduce from example below:

it.only('failing spec', () => {
  throw(new Error())
})

But many other failing spec examples work fine with logging on click of the error, so it's something specific to the way the test fails.

This is fixed from #6724 though, which has put a lot of tests and thought around these situations.

@bkucera Can you double check that your failing example logs correctly in develop branch now?

The code for this is done in #6724, but has yet to be released.
We'll update this issue and reference the changelog when it's released.

[kuceb]

it does appear to be fixed now, great

[cypress-bot]

Released in 4.3.0.

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