The changes of 50bc3ceb04 (Get rid of CppUnit boilerplate in atomic unit
test, 2022-05-11) resulted in warnings about possibly uninitialized
variables in this test, so do initialize them for MSVC even if it isn't
really necessary.
The changes of 50bc3ceb04 (Get rid of CppUnit boilerplate in atomic unit
test, 2022-05-11) resulted in warnings about possibly uninitialized
variables in this test, so do initialize them for MSVC even if it isn't
really necessary.