Fix.

node_modules/es-abstract/test/helpers/assertRecord.js

@@ -0,0 +1,60 @@
+'use strict';
+
+var forEach = require('foreach');
+var debug = require('object-inspect');
+
+var assertRecord = require('../../helpers/assertRecord');
+var v = require('./values');
+
+module.exports = function assertRecordTests(ES, test) {
+  test('Property Descriptor', function (t) {
+    var record = 'Property Descriptor';
+
+    forEach(v.nonUndefinedPrimitives, function (primitive) {
+      t['throws'](
+        function () { assertRecord(ES, record, 'arg', primitive); },
+        TypeError,
+        debug(primitive) + ' is not a Property Descriptor'
+      );
+    });
+
+    t['throws'](
+      function () { assertRecord(ES, record, 'arg', { invalid: true }); },
+      TypeError,
+      'invalid keys not allowed on a Property Descriptor'
+    );
+
+    t.doesNotThrow(
+      function () { assertRecord(ES, record, 'arg', {}); },
+      'empty object is an incomplete Property Descriptor'
+    );
+
+    t.doesNotThrow(
+      function () { assertRecord(ES, record, 'arg', v.accessorDescriptor()); },
+      'accessor descriptor is a Property Descriptor'
+    );
+
+    t.doesNotThrow(
+      function () { assertRecord(ES, record, 'arg', v.mutatorDescriptor()); },
+      'mutator descriptor is a Property Descriptor'
+    );
+
+    t.doesNotThrow(
+      function () { assertRecord(ES, record, 'arg', v.dataDescriptor()); },
+      'data descriptor is a Property Descriptor'
+    );
+
+    t.doesNotThrow(
+      function () { assertRecord(ES, record, 'arg', v.genericDescriptor()); },
+      'generic descriptor is a Property Descriptor'
+    );
+
+    t['throws'](
+      function () { assertRecord(ES, record, 'arg', v.bothDescriptor()); },
+      TypeError,
+      'a Property Descriptor can not be both a Data and an Accessor Descriptor'
+    );
+
+    t.end();
+  });
+};