public function it_can_zscore()
{
$this->client->zscore('test', 'test')->shouldBeCalled()->willReturn(1);
$this->zScore('test', 'test')->shouldReturn(1);
$this->client->zscore('test', 'test')->willThrow($this->predisException);
$this->shouldThrow(DriverException::class)->during('zScore', ['test', 'test']);
}