Disable Symbols/ObjectModel.js for cjs import runtime tests (#2125)

See #2124

Author: arv

test/feature/Symbol/ObjectModel.js test/feature/Symbol/ObjectModel.script.jstest/feature/Symbol/ObjectModel.js renamed to test/feature/Symbol/ObjectModel.script.js

@@ -1,3 +1,7 @@
+// This file is named .script.js because `make test/module-compiled` currently
+// has  issues with symbols and skips .script.js files.
+// https://github.com/google/traceur-compiler/issues/2124
+
 var s = Symbol('s');
 assert.equal(typeof s, 'symbol');
 assert.equal(s.constructor, Symbol);