test-fixtures/addMissingField338/f01/record.json
{
"leader": "01714cam a22005057i 4500",
"fields": [
{ "tag": "008", "value": "900214s1980 sw ||||||m |||||||eng||" },
{ "tag": "338", "ind1": " ", "ind2": " ", "subfields": [
{"code": "a", "value": "nide"},
{"code": "b", "value": "nc"},
{"code": "2", "value": "rdacarrier"}
]}
]
}