Modify encapsulation tests to how I think they should show the behaviour of the library.
Modify encapsulation tests to how I think they should show the behaviour of the library.

MichaelClerx/libcellml,libcellml/buildbot-testing,hsorby/libcellml,MichaelClerx/libcellml,nickerso/libcellml,nickerso/libcellml,nickerso/libcellml,cellml/libcellml,libcellml/buildbot-testing,cellml/libcellml,hsorby/libcellml,cellml/libcellml,cellml/libcellml,nickerso/libcellml,MichaelClerx/libcellml,hsorby/libcellml,hsorby/libcellml