diff --git a/test/test_helper.rb b/test/test_helper.rb
index 59b0b35..682d634 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -87,7 +87,9 @@ class ActiveSupport::TestCase
   alias :ok :assert_block
 
   def assert_equivalent(enum1, enum2)
-    assert( (enum1.length == enum2.length) && ((enum1 - enum2) == []) && ((enum2 - enum1) == []), "<#{enum1.inspect}> expected to be equivalent to <#{enum2.inspect}>")
+    enum1 = enum1.group_by{|e|e}.values
+    enum2 = enum2.group_by{|e|e}.values
+    assert( (enum1.length == enum2.length) && ((enum1 - enum2) == []), "<#{enum1.inspect}> expected to be equivalent to <#{enum2.inspect}>")
   end
 
   def assert_mandatory(object, attribute, test_value = 'some random string')
--
libgit2 0.21.2