stop leaking TZ between unit tests
authorPhilipp Gesang <philipp.gesang@intra2net.com>
Fri, 5 Apr 2019 06:51:25 +0000 (08:51 +0200)
committerPhilipp Gesang <philipp.gesang@intra2net.com>
Fri, 5 Apr 2019 06:51:29 +0000 (08:51 +0200)
commitccbeb66cbcc4a33f202382f48f88a8a7837058be
treee6f5dfdaf612c663fc51015b7c56f631295e0ea8
parent43f03a2909e59b87e575dc191aa71ba54b920201
stop leaking TZ between unit tests

So apparently boost/unit_test does not restore the original
environment for each test. Do that ourselves then for the TZ
variable which is needed for certain tests.

Also enable UTC in more helpers that leave it unspecified in
formatting. Till now those were relying on the UTC set in a
previous test. Ew!
test/test_timefunc.cpp