big ass modding update

tests/parity_tilt.lua

@@ -6,9 +6,8 @@
 -- tilted plane covering the window.
 package.path = "./?.lua;./?/init.lua;" .. package.path
 if not _G.love then _G.love = require("tests.love_stub") end
-local fails, total = 0, 0
-local function check(c, m) total = total + 1; if c then print("ok   " .. m) else fails = fails + 1; print("FAIL " .. m) end end
-local function eq(g, w, m) check(g == w, ("%s (got %s, want %s)"):format(m, tostring(g), tostring(w))) end
+local S = require("tests.harness").suite("parity tilt")
+local check, eq = S.check, S.eq
 
 -- === assertions ===
 
@@ -224,5 +223,4 @@ check(pallet.renderer.drawTilt == nil and pallet.renderer.drawTiltMapOnly == nil
       "TileRenderer no longer has a separate tilt ground draw path")
 MapLoader.clearCache()
 
-print(("parity tilt: %d/%d passed"):format(total - fails, total))
-if fails > 0 then error(fails .. " parity-tilt assertion(s) failed") end
+S.finish()