make super behaviour more spec compliant - fixes #32

test/fixtures/classes/accessing-super-class/actual.js

@@ -5,4 +5,8 @@ class Test extends Foo {
     super.test();
     foob(super);
   }
+
+  test() {
+    super();
+  }
 }

test/fixtures/classes/accessing-super-class/expected.js

@@ -14,5 +14,8 @@ var Test = function (Foo) {
     }
   });
   Test.__proto__ = Foo;
+  Test.prototype.test = function () {
+    Foo.prototype.test.call(this);
+  };
   return Test;
 }(Foo);