Improve failure message options in FluentAssert (#391)
Improve failure message options in FluentAssert (#391)

* Add an option to skip printing the xml to the console
for tests which are working with very large files
* Add the option for an informative message to help
debugging assert failures
ermshiperete/libpalaso,tombogle/libpalaso,sillsdev/libpalaso,glasseyes/libpalaso,gtryus/libpalaso,glasseyes/libpalaso,glasseyes/libpalaso,gmartin7/libpalaso,andrew-polk/libpalaso,ermshiperete/libpalaso,tombogle/libpalaso,andrew-polk/libpalaso,andrew-polk/libpalaso,tombogle/libpalaso,gmartin7/libpalaso,sillsdev/libpalaso,ermshiperete/libpalaso,sillsdev/libpalaso,glasseyes/libpalaso,gmartin7/libpalaso,tombogle/libpalaso,ermshiperete/libpalaso,andrew-polk/libpalaso,gtryus/libpalaso,gtryus/libpalaso,gmartin7/libpalaso,gtryus/libpalaso,sillsdev/libpalaso