describe('when none of the keys already exist', () => {
    describe('when given a list of fields/values', () => {
      it('sets all keys to the correct values', () =>
        db.msetnx('a', 'one', 'b', 'two', 'c', 'three').then(() =>
          db.mget('a', 'b', 'c').then((values) => {