Replaced "shark" test models with lighter models to speed up tests.
END_PUBLIC.
- procedurally generated light cube
- replaced shark GMSH with cube for all tests with extension GMSH
- Reduced size of shark model used for tests with extension Ftetwild
PiperOrigin-RevId: 631776421
Change-Id: I66f6b4058b86338a10d06c39bc93bef1c6fbdab6
Mohammad Hamid