Update submodules and unit test setup.

Former-commit-id: 705059ee5d27e828cd216ecdd164c4c9bceae26c

test/test.js

@@ -456,10 +456,4 @@
     });
   }());
 
-  /*--------------------------------------------------------------------------*/
-
-  // explicitly call `QUnit.start()` in a CLI environment
-  if (!window.document) {
-    QUnit.start();
-  }
 }(typeof global == 'object' && global || this));