skip SkipImages unit test on MacOs
skip SkipImages unit test on MacOs

In fact concerns MacOs TB 10.10_61
If someone wants to revert it go ahead but in this case, please:
either fix the problem
or disable this TB for the moment
Thank you

Change-Id: Ie8da48a9b117d7d24cbf27b5b5e8773f79464a31

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core