public void ShouldNotBeDeletedBy_DeletedBy_When_Entity_Null_Fails_Assertion()
        {
            // Arrange
            IDeletable entity = null;

            // Act & Assert
            Should.Throw <ShouldAssertException>(() => entity.ShouldNotBeDeletedBy(deletedBy: Build <UserStub>()));
        }
        public void ShouldNotBeDeletedBy_DeletedById_When_Entity_Null_Fails_Assertion()
        {
            // Arrange
            IDeletable entity = null;

            // Act & Assert
            Should.Throw <ShouldAssertException>(() => entity.ShouldNotBeDeletedBy(deletedById: Random.Long()));
        }