Updated the tests.

test/mu/compare/expected-med-english-lualatex.pdf

test/mu/compare/expected-med-english-pdflatex.pdf

test/mu/compare/expected-med-oldtable-lualatex.pdf

test/mu/compare/expected-med-oldtable-pdflatex.pdf

test/mu/compare/expected-med-slovak-lualatex.pdf

test/mu/compare/expected-med-slovak-pdflatex.pdf

test/mu/compare/expected-med-table-lualatex.pdf

test/mu/compare/expected-med-table-pdflatex.pdf

.../compare/expected-ped-bibliography-solicited-lualatex.pdf

.../compare/expected-ped-bibliography-solicited-pdflatex.pdf

...ompare/expected-ped-bibliography-unsolicited-lualatex.pdf

...ompare/expected-ped-bibliography-unsolicited-pdflatex.pdf

test/mu/compare/expected-ped-czech-lualatex.pdf

test/mu/compare/expected-ped-czech-pdflatex.pdf

test/mu/compare/expected-ped-english-lualatex.pdf

test/mu/compare/expected-ped-english-pdflatex.pdf

test/mu/compare/expected-ped-oldtable-lualatex.pdf

test/mu/compare/expected-ped-oldtable-pdflatex.pdf

test/mu/compare/expected-ped-slovak-lualatex.pdf

test/mu/compare/expected-ped-slovak-pdflatex.pdf