test: disabling N-API test

The test failure is being tracked by nodejs#246

Author: kfarnung

test/addons-napi/test_reference/test.js

@@ -3,6 +3,11 @@
 
 const common = require('../../common');
 const assert = require('assert');
+ 
+if (common.isChakraEngine) {
+  common.skip('Skipped for node-chakracore till #246 is fixed.');
+  return;
+}
 
 const test_reference = require(`./build/${common.buildType}/test_reference`);