capsys: Output is not reported after failing test that called capsys.readouterr()

[pytestbot]

Originally reported by: Lutz Prechelt (BitBucket: prechelt, GitHub: prechelt)

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I see that it might be useful to be able to suppress output reporting when using readouterr().
But that this happens automatically and there is no obvious way to turn reporting back on is both surprising and, I think, inconvenient.
See a detailed description here:
http://stackoverflow.com/questions/26561822/pytest-capsys-checking-output-and-getting-it-reported

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• Bitbucket: https://bitbucket.org/pytest-dev/pytest/issue/623

[nicoddemus]

I think this is working as designed, and it can be disabled temporarily with the capsys.disabled() context manager. 👍