THRIFT-3337 Add testBool method to cross tests

This closes #611
diff --git a/lib/nodejs/test/test_handler.js b/lib/nodejs/test/test_handler.js
index da32906..41df441 100644
--- a/lib/nodejs/test/test_handler.js
+++ b/lib/nodejs/test/test_handler.js
@@ -57,6 +57,7 @@
 
 var identityHandlers = [
   'testString',
+  'testBool',
   'testByte',
   'testI32',
   'testI64',