Change test case for a change in the fixture data.

Author: arthurschreiber

test/reference_test.rb

@@ -32,6 +32,7 @@ def test_list_references
     assert_equal [
       "refs/heads/br2",
       "refs/heads/dir",
+      "refs/heads/ident",
       "refs/heads/long-file-name",
       "refs/heads/master",
       "refs/heads/packed",