Updated unit test (exceptions testing) and documentation for...

Updated unit test (exceptions testing) and documentation for BundleSolutionInfo in preparing to add it to trunk. Fixes #3974

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/branches/ipce@6891 41f8697f-d340-4b68-9986-7bafba869bb8