Log output is split before and after the test results

[gaearon]

Do you want to request a feature or report a bug?

I’m reporting a bug.

What is the current behavior?

When I run tests without watcher, I get inline console output in tests: https://gist.github.com/gaearon/a4e3689e878857b8a9415bedfa3456a6.

However when I run the same tests with watcher, console output is sometimes (arbitrarily?) split before and after the test results, like here: https://gist.github.com/gaearon/8f6918b879cd7302658711d44f5eb02b.

If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal repository on GitHub that we can npm install and npm test.

git clone https://github.com/gaearon/react.git jest-console-bug-repro
cd jest-console-bug-repro
git checkout jest-bug-repro-2

yarn
npm test -- --watch ReactIncremental-test

What is the expected behavior?

The console output is either printed before or after the test results. Not split by them.

Run Jest again with --debug and provide the full configuration it prints. Please mention your node and npm version and operating system.

Node 6.3.1
npm 3.10.3

Output: https://gist.github.com/gaearon/5a3d88b9b99b10b08348bd2688cda15c

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