test/package/app/test_app01.rb in write_xlsx-0.81.1 vs test/package/app/test_app01.rb in write_xlsx-0.83.0

@@ -2,10 +2,10 @@
 require 'helper'
 require 'write_xlsx/package/app'
 
 class TestApp01 < Test::Unit::TestCase
   def test_assemble_xml_file
-    @obj = Writexlsx::Package::App.new
+    @obj = Writexlsx::Package::App.new(nil)
     @obj.add_part_name('Sheet1')
     @obj.add_heading_pair(['Worksheets', 1])
     @obj.assemble_xml_file
     result = got_to_array(@obj.xml_str)
     expected = expected_to_array(<<EOS