Fix javascript unicode test

The generated buffer should be tested for semantic equivalence
to the correct buffer, instead of being tested for bytewise
equality.

tests/JavaScriptTest.js

@@ -122,7 +122,7 @@ function testUnicode() {
   var json = JSON.parse(fs.readFileSync('unicode_test.json', 'utf8'));
 
   // Test reading
-  var bb = new flatbuffers.ByteBuffer(new Uint8Array(correct));
+  function testReadingUnicode(bb) {
     var monster = MyGame.Example.Monster.getRootAsMonster(bb);
     assert.strictEqual(monster.name(), json.name);
     assert.deepEqual(new Buffer(monster.name(flatbuffers.Encoding.UTF8_BYTES)), new Buffer(json.name));
@@ -137,6 +137,8 @@ function testUnicode() {
       assert.strictEqual(monster.testarrayofstring(i), string);
       assert.deepEqual(new Buffer(monster.testarrayofstring(i, flatbuffers.Encoding.UTF8_BYTES)), new Buffer(string));
     });
+  }
+  testReadingUnicode(new flatbuffers.ByteBuffer(new Uint8Array(correct)));
 
   // Test writing
   var fbb = new flatbuffers.Builder();
@@ -156,7 +158,7 @@ function testUnicode() {
   MyGame.Example.Monster.addTestarrayoftables(fbb, testarrayoftablesOffset);
   MyGame.Example.Monster.addName(fbb, name);
   MyGame.Example.Monster.finishMonsterBuffer(fbb, MyGame.Example.Monster.endMonster(fbb));
-  assert.deepEqual(new Buffer(fbb.asUint8Array()), correct);
+  testReadingUnicode(new flatbuffers.ByteBuffer(fbb.asUint8Array()));
 }
 
 var __imul = Math.imul ? Math.imul : function(a, b) {