Move VTKExtensions/Testing tests
VTKExtensions/Testing directory included several tests that were not been executed.
This was a result of a refactoring process. The majority of the tests are now moved
to their appropriate folder. Tests related to vtkIceTCompositePass
have been deactivated
because they need to be heavily updated due to major API changes. Tests that were deemed
unnecessary were deleted.
This MR should be merged after !5178 (merged).
Edited by Spiros Tsalikis