public function testSettingValueIsDelegatedToClient()
 {
     $key = 'key';
     $value = 'value';
     $this->mockClient->expects($this->once())->method('set')->with($key, $value);
     $this->store->set($key, $value);
 }
 public function testValueIsSetAndRetrieved()
 {
     $this->keyValueStore->set('foo', 'bar');
     $result = $this->keyValueStore->get('foo');
     $this->assertEquals('bar', $result);
 }