removed tab in token-model_test.js

Author: jwerre

test/unit/models/token-model_test.js

@@ -18,7 +18,7 @@ describe('Model', function() {
       };
 
       var model = new TokenModel(data);
-	  should.exist(model.accessTokenLifetime);
+      should.exist(model.accessTokenLifetime);
       model.accessTokenLifetime.should.a('number');
       model.accessTokenLifetime.should.be.approximately(3600, 2);
     });