[Flang][OpenMP][Offloading][Test] Adjust slightly incorrect tests now cmake configuration works

These tests were slightly broken, in one case a failing test that now works. In the other case
some accidentally left over code during a name change that broke compilation due to missing
symbols.

GitOrigin-RevId: 8ca07e57c3be0dc41dbb95f6b21e541fecd74e8a
2 files changed