public async Task Then_Returns_Accounts(
int opportunityId,
string userId,
GetSelectAccountQueryResult getSelectAccountQueryResult,
[Frozen] Mock <IMediator> mockMediator,
[Greedy] OpportunityController opportunityController)
{
mockMediator
.Setup(x => x.Send(It.Is <GetSelectAccountQuery>(y => y.UserId == userId), It.IsAny <CancellationToken>()))
.ReturnsAsync(getSelectAccountQueryResult);
var controllerResult = await opportunityController.SelectAccount(opportunityId, userId) as OkObjectResult;
var response = controllerResult.Value as GetSelectAccountResponse;
Assert.IsNotNull(controllerResult);
Assert.AreEqual(controllerResult.StatusCode, (int)HttpStatusCode.OK);
Assert.IsNotNull(response);
Assert.AreEqual(getSelectAccountQueryResult.Accounts.Count(), response.Accounts.Count());
}