text: exports.seed = function(knex) {
    return knex('notifications')
      .del()
      .then(function() {
        return knex('notifications').insert([
          {
            bill_id: 1,
            email: 'sascha@test.com',
          },
          {
            bill_id: 2,
            email: 'hanne@test.com',
          },
          {
            bill_id: 1,
            email: 'anotherfriend@test.com',
          },
        ]);
      });
  };
  