public void ThrowArgumentExceptionIfItemNotFoundByRepo()
 {
     // Arrange
     fixture.repositoryMock
     .Setup(m => m.GetByIdAsync(ID))
     .ReturnsAsync((PlannerItem)null);
     // Act
     sut = fixture.Create <EditPlannerItemCommand>();
     // Assert
     Assert.ThrowsAsync <ArgumentException>(() => sut.Execute(ID, editModel));
 }
        public void LoadFromRepositoryUsingID()
        {
            var _ = sut.Execute(ID, editModel).Result;

            fixture.repositoryMock.Verify(m => m.GetByIdAsync(ID), Times.Once);
        }