ENH: Add wavelets to itkIsotropicWaveletFrequencyFunctionTest test.
ENH: Add wavelets to itkIsotropicWaveletFrequencyFunctionTest test.

Add missing wavelet cases (Shannon, Simoncelli, Vow) to the cases tested
in the itkIsotropicWaveletFrequencyFunctionTest.cxx file.

This would allow to improve the coverage for each wavelet's
EvaluateMagnitude method.

jhlegarreta/ITKIsotropicWavelets,jhlegarreta/ITKIsotropicWavelets,phcerdan/ITKIsotropicWavelets,phcerdan/ITKIsotropicWavelets