testsuite: Introduce concurrent_ways set

Authored by bgamari on Jun 13 2019, 7:17 PM.

Description

testsuite: Introduce concurrent_ways set

Previously we just tested for the threaded2 when determining whether to
skip tests which are fragile under concurrent execution. However, this
isn't the only way which is concurrent.

Details

Committed
bgamariMon, Nov 18, 11:28 AM
Parents
rGHCec962cb95fb6: Backport fixes from !1953 fixing #17334.
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