Set MultiSamples to 0 in order to avoid test failures due to AA

Change-Id: I7dbabfbef6053ac0f8290191d21c04022f190d3e

Hybrid/Testing/Cxx/TestCubeAxes2DMode.cxx

@@ -110,6 +110,7 @@ int TestCubeAxes2DMode( int argc, char * argv [] )
     = vtkSmartPointer<vtkRenderWindow>::New();
   renderWindow->AddRenderer( renderer );
   renderWindow->SetSize( 800, 600 );
+  renderWindow->SetMultiSamples( 0 )
   vtkSmartPointer<vtkRenderWindowInteractor> interactor
     = vtkSmartPointer<vtkRenderWindowInteractor>::New();
   interactor->SetRenderWindow( renderWindow );