[{
    "_id" : "someemail@mailtime.com",
    "data_sets" : [
        "evl_ceg_data",
        "evl_services_volumetrics",
        "evl_services_failures",
        "evl_channel_volumetrics",
        "evl_customer_satisfaction",
        "evl_volumetrics"
    ],
    "email" : "someemail@mailtime.com"
},
{
    "_id" : "angela.merkel@deutschland.de",
    "data_sets" : [
        "lpa_volumes"
    ],
    "email" : "angela.merkel@deutschland.de"
},
{
    "_id" : "mike.bracken@gov.uk",
    "data_sets" : [
        "govuk_big_stats"
    ],
    "email" : "mike.bracken@gov.uk"
}]

[{
    "_id" : "someemail@mailtime.com",
    "data_sets" : [
        "evl_ceg_data",
        "evl_customer_satisfaction"
    ],
    "email" : "someemail@mailtime.com"
},
{
    "_id" : "angela.merkel@deutschland.de",
    "data_sets" : [
        "lpa_volumes"
    ],
    "email" : "angela.merkel@deutschland.de"
},
{
    "_id" : "mike.bracken@gov.uk",
    "data_sets" : [
        "govuk_nonexistant_big_stats"
    ],
    "email" : "mike.bracken@gov.uk"
}]

Reduce the number of data-sets
Reduce the number of data-sets

- Drastically reduces the amount of hand coded fixutre information we'll need to write to test dataset lookups in the backdrop user import script tests
