fix tests to work with changes to Component::getRelativePathName
fix tests to work with changes to Component::getRelativePathName

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core