test/undo_test.rb in mongoid-undo-0.8.0 vs test/undo_test.rb in mongoid-undo-0.9.0

@@ -20,10 +20,10 @@
   include Mongoid::Timestamps
 
   field :name, type: String
 end
 
-class UndoTest < Minitest::Test
+class UndoTest < Minitest::Unit::TestCase
   def test_create
     document = Document.create(name: 'foo')
     assert_equal :create, document.action
     assert_equal 1, document.version
     assert document.persisted?