Avoid errors in modularized build runs.

test/test.js

@@ -6500,6 +6500,7 @@
     });
 
     test('should work using its fallback', 3, function() {
+      if (!isModularize) {
         var lodash = _.runInContext(_.assign({}, root, {
           'Uint8Array': {
             'toString': function() {
@@ -6511,6 +6512,10 @@
         strictEqual(lodash.isFunction(slice), true);
         strictEqual(lodash.isFunction(/x/), false);
         strictEqual(lodash.isFunction(Uint8Array), toString.call(Uint8Array) == funcClass);
+      }
+      else {
+        skipTest(3);
+      }
     });
 
     test('should work with host objects in IE 8 document mode (test in IE 11)', 2, function() {