public async Task InitializeState_HasState_NotifyCurrentConnection()
{
var testPayload = new UserWssPayload();
var testRes = new InitialStateResponse();
_chatServiceMock
.Setup(s => s.GetConnectionInitialStateAsync(TestUserId))
.ReturnsAsync(testRes);
await _target.InitializeState(testPayload);
AssertMessageSentToCurrentConnection(ChatHub.InitialStateMessage,
content => content == testRes);
}