Test group in which we only ever have one test running at a time.
actor tag _ExclusiveGroup is _Group tag
new tag create() : _ExclusiveGroup tag^
be apply( runner: _TestRunner tag)
be _test_complete( runner: _TestRunner tag)
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© 2014-2015, Causality Ltd.
Licensed under the BSD 2-Clause License.
https://stdlib.ponylang.io/ponytest-_ExclusiveGroup