Massimiliano Culpo 621388e5ae Restore multiprocessing in unit tests (#6949) ... * Revert "Travis: use --concurrency=multiprocessing only on build tests (#6872)" This reverts commit 596d463714. * Removing 'coverage combine' in test script According to what was discovered in #6887, one of the problems is calling 'coverage combine' twice without the '-a' flag. This removes the first call within our test scripts.		2018-01-20 16:10:25 +01:00
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spack	Restore multiprocessing in unit tests (#6949)	2018-01-20 16:10:25 +01:00