rewrite syntax test using falafel (instead of jshint)

Author: etpinard

test/syntax_test.js

@@ -1,7 +1,7 @@
 var path = require('path');
 var fs = require('fs');
 
-var jshint = require('jshint').JSHINT;
+var falafel = require('falafel');
 var glob = require('glob');
 
 var constants = require('../tasks/util/constants');
@@ -14,19 +14,16 @@ glob(path.join(constants.pathToJasmineTests, '**/*.js'), function(err, files) {
     files.forEach(function(file) {
         var code = fs.readFileSync(file, 'utf-8');
 
-        jshint(code);
-
-        var impliedGlobals = jshint.data().implieds;
-
-        impliedGlobals.forEach(function(obj) {
-            if(focusGlobals.indexOf(obj.name) !== -1) {
+        falafel(code, {locations: true}, function(node) {
+            if(node.type === 'Identifier' && focusGlobals.indexOf(node.name) !== -1) {
                 logs.push([
                     path.basename(file),
-                    '[line ' + obj.line + '] :',
+                    '[line ' + node.loc.start.line + '] :',
                     'contains either a *fdescribe* or a *fit* block.'
                 ].join(' '));
             }
         });
+
     });
 
     if(logs.length) throw new Error(logs.join('\n'));