respect test data being always UTF-8
respect test data being always UTF-8

dago/libpsl,darnir/libpsl,rockdaboot/libpsl,rockdaboot/libpsl,dkg/libpsl,dkg/libpsl,darnir/libpsl,dago/libpsl,dago/libpsl,rockdaboot/libpsl,darnir/libpsl