Test import/export new cases

[mattlag]

• [x] Basic Latin Controls, Import OTF

• [x] Basic Latin Controls, Export OTF

• [x] Basic Latin Controls, Import SVG

• [x] Basic Latin Controls, Export SVG

• [x] BMP+, Import OTF

• [x] BMP+, Export OTF

• [x] BMP+, Import SVG

• [x] BMP+, Export SVG