COMP: Fix some compilation errors in Visual Studio 2013

Compiles in Debug configuration as long as EMSegment module, numpy and
OpenSSL support disabled.

Errors fixed by changes in vtkMRMLCoreTestingMacros are similar to the
following:

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Error 2 error C2678: binary '<<' : no operator found which takes a left-hand operand of type 'std::basic_ostream<char,std::char_traits<char>>' (or there is no acceptable conversion) C:\dev\Slicer\Libs\MRML\Core\Testing\vtkMRMLDiffusionTensorVolumeDisplayNodeTest1.cxx 24
Error 3 error C2088: '<<' : illegal for class C:\dev\Slicer\Libs\MRML\Core\Testing\vtkMRMLDiffusionTensorVolumeDisplayNodeTest1.cxx 24
Error 4 error C2678: binary '<<' : no operator found which takes a left-hand operand of type 'std::basic_ostream<char,std::char_traits<char>>' (or there is no acceptable conversion) C:\dev\Slicer\Libs\MRML\Core\Testing\vtkMRMLDiffusionWeightedVolumeDisplayNodeTest1.cxx 23
Error 5 error C2088: '<<' : illegal for class C:\dev\Slicer\Libs\MRML\Core\Testing\vtkMRMLDiffusionWeightedVolumeDisplayNodeTest1.cxx 23
[...]
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From: Max Smolens <max.smolens@kitware.com>

git-svn-id: http://svn.slicer.org/Slicer4/trunk@24477 3bd1e089-480b-0410-8dfb-8563597acbee