test/test_formula.rb in writeexcel-0.4.1 vs test/test_formula.rb in writeexcel-0.4.2

@@ -2,10 +2,10 @@
 require 'helper'
 
 class TC_Formula < Test::Unit::TestCase
 
   def setup
-    @formula = Formula.new(0)
+    @formula = Writeexcel::Formula.new(0)
   end
 
   def test_scan
     # scan must return array of token info
     string01 = '1 + 2 * LEN("String")'