Hongbin Lu 3460834244 Set concurrency to 1 for OSC tempest tests
It looks OSC tests were not designed to run in parallel because
there are some race condition between tests. The gate had a few
intermittent failure due to that. This commit temporarily disable
parallel execution of test cases.

Change-Id: Id912b1e21f35b95d70571ab8adc030572294910c
2017-06-05 15:50:12 +00:00
..
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