Pulse junit compatibility

[pytestbot]

Originally reported by: Scott Reeve (BitBucket: scott_reeve, GitHub: scott_reeve)

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The Zutubi Pulse junit post processor requires that the name field in a junit xml file has a value, pytest leaves the field blank.

Easily fixed by adding a value to the name field, line 220 of junitxml.py:

name="",
becomes:
name="pytest"

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• Bitbucket: https://bitbucket.org/pytest-dev/pytest/issue/355

[pytestbot]

Original comment by holger krekel (BitBucket: hpk42, GitHub: hpk42):

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fix issue355: junitxml generates name="pytest" tag.