Bugfix/test changes
Created by: s-mm
First set of changes to the tests. Test for assembly_mapping has been removed as we do not use assembly_mappings method in modules/Bio/Vega/CoordSystemFactory.pm any more.
Created by: s-mm
First set of changes to the tests. Test for assembly_mapping has been removed as we do not use assembly_mappings method in modules/Bio/Vega/CoordSystemFactory.pm any more.