public async Task RemoveLongestBranch_Test()
{
var chain = await _fullBlockchainService.GetChainAsync();
var bestChainHash = chain.BestChainHash;
var bestChainHeight = chain.BestChainHeight;
chain.LongestChainHash.ShouldNotBe(bestChainHash);
chain.LongestChainHeight.ShouldNotBe(bestChainHeight);
await _fullBlockchainService.RemoveLongestBranchAsync(chain);
chain.LongestChainHash.ShouldBe(bestChainHash);
chain.LongestChainHeight.ShouldBe(bestChainHeight);
}