@Test
public void test_search_cerberus_metadata_not_successful() throws IOException {

    HashMap responseMap = new ObjectMapper().readValue(mockResponseBodyString, HashMap.class);
    ArrayList<Map<String, String>> sdbMetadata = (ArrayList<Map<String, String>>) responseMap.get("safe_deposit_box_metadata");
    String sdbName = "none";
    String principalName = "arn:aws:iam::00000000000:role/example/role";
    ArrayList<String> results = cerberusMetadataLookup.searchCerberusMetadata(sdbMetadata, sdbName, principalName);
    assertTrue(results.contains("No owner found"));
}