BUG: Fix MultipleFixedAndMovingImages test to actually test multiple fixed and moving images
BUG: Fix MultipleFixedAndMovingImages test to actually test multiple fixed and moving images

SuperElastix/SuperElastix,kaspermarstal/SuperElastix,SuperElastix/SuperElastix,kaspermarstal/SuperElastix,kaspermarstal/SuperElastix,SuperElastix/SuperElastix,SuperElastix/SuperElastix