Merge topic 'test-CFLAGS-NDEBUG'

44189d82a7 Tests: Fix some tests under CFLAGS=-DNDEBUG CXXFLAGS=-DNDEBUG

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !7630