code: function createFixtures(entity) {
          return new Promise(function(resolve, reject) {
              if (!entity.fixtures) return resolve();
              return Promise.all(entity.fixtures.map(function(fixture) {
                  CRUD.fromCache(entity.getType(), fixture).Persist(true);
              })).then(resolve, reject);
          });
      }
docs: Insert fixtures for an entity if they exist
  @param {CRUD.Entity} entity entity to insert fixtures for
  @return {Promise} that resolves when all fixtures were inserted or immediately when none are defined