big cmap refactoring

test/cmap-dirty-layout.test.js

@@ -29,7 +29,7 @@ async function loadEditorFactory() {
     body: { append() {} },
     createElement: () => fakeElement()
   };
-  global.window = { Cmap: null };
+  global.window = {};
   await import("../static/cmap/cmap-racket-wiki.js");
   return global.window.RacketWikiCmap;
 }
@@ -48,7 +48,7 @@ test("automatic render sizing advances only an unchanged saved baseline", async
   let savedBaseline = null;
   let notification = null;
   const editor = factory.createEditor(canvas, {
-    Cmap: () => map,
+    createDiagramEngine: () => map,
     onAutomaticLayoutChange: (change) => {
       notification = change;
       if (savedBaseline === change.beforeSnapshot) {