Merge topic 'ctest-timeout-zero'

0a5aeaf302 cmCTestRunTest: Consolidate test timeout selection logic
426e38cc10 cmCTestRunTest: Adopt decision for starting cmProcess timer
59336b29bd cmCTestRunTest: Remove unnecessary arguments to ForkProcess
07b5087ba7 Help: Document meaning of TIMEOUT test property with value 0
3edf7fbb41 ctest: Fix TIMEOUT test property with value 0 with --timeout flag
39a20a56dd Tests: Move `CTestTestZeroTimeout` into `RunCMake.CTestTimeout`
cd4038fe94 cmCTestTestHandler: Use in-class initialization of properties and results

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !8455