public async Task ThenAListOfCommitmentsWillBeReturned(GetCommitmentsResponse mediatorResponse)
{
_mockMediator.Setup(x => x.SendAsync(It.IsAny <GetCommitmentsRequest>())).ReturnsAsync(mediatorResponse);
var result = await _controller.GetCommitments(1234L) as OkNegotiatedContentResult <IEnumerable <CommitmentListItem> >;
result.Should().NotBeNull();
//result.Content.Should().BeSameAs(mediatorResponse.Data);
}