my $expected_error = {
900 => { not_repeatable => "probably bug in parsing input data" },
901 => { missing_subfield => "a required", "dump" => "baz" },
my $expected_error = {
900 => { not_repeatable => "probably bug in parsing input data" },
901 => { missing_subfield => "a required", "dump" => "baz" },