rm cruft.

Author: botandrose-machine

test/core.js

@@ -108,6 +108,7 @@ describe("Core morphing tests", function () {
   });
 
   it("morphs outerHTML properly when oldNode has siblings", function () {
+    // FIXME something about the `make` utility function in this context hangs in Firefox, so use getWorkArea().innerHTML= instead
     getWorkArea().innerHTML =
       "<div><p>Preserve me!</p><button>Foo</button><p>Preserve me too!</p></div>";
     let initial = getWorkArea().querySelector("button");

test/lib/utilities.js

@@ -2,9 +2,6 @@
 
 function setup() {
     beforeEach(() => {
-        if (window.useMoveBefore && !Element.prototype.moveBefore) {
-            throw new Error('Element.prototype.moveBefore is not available.');
-        }
         clearWorkArea();
     });
 }