Contains failing test for datastream content

rspec ./spec/unit/datastream_collections_spec.rb:84
 
 1) ActiveFedora::DatastreamCollections#add_named_datastream should  allow access to file content
     Failure/Error: @test_object2.thumbnail[0].content
     IOError:
       closed stream
     # ./spec/unit/datastream_collections_spec.rb:88:in `block (3 levels) in <top (required)>'