* test/lisp/progmodes/lua-ts-mode-tests.el (lua-ts-test-font-lock): Add ert-font-lock tests. (lua-ts-mode-test-indentation): (lua-ts-test-indentation): (lua-ts-mode-test-movement): (lua-ts-test-movement): Rename for consistency. * test/lisp/progmodes/lua-ts-mode-resources/font-lock.lua: New file.