public async Task run_should_trigger_mediator_handler_and_repository() { await _sut.Run(new APIGatewayProxyRequest { PathParameters = new Dictionary <string, string> { { "id", Guid.NewGuid().ToString() } } }); _mockRepository.Verify(_ => _.GetById <Item>(It.IsAny <string>(), It.IsAny <CancellationToken>()), Times.Once); }