public void FetchMany_VerifyMGetCall_Once()
{
// Arrange.
var splitNames = new List <string> {
"Split_1", "Split_2", "Split_3"
};
_redisAdapterMock
.Setup(mock => mock.MGet(It.IsAny <RedisKey[]>()))
.Returns(new RedisValue[3]);
// Act.
var result = _redisSplitCache.FetchMany(splitNames);
// Assert.
_redisAdapterMock.Verify(mock => mock.MGet(It.IsAny <RedisKey[]>()), Times.Once);
_redisAdapterMock.Verify(mock => mock.Get(It.IsAny <string>()), Times.Never);
}