public void IsSelected_ShouldReturnTrueForReplaced()
        {
            //Arrange
            UnselectedCell subject = new UnselectedCell(null);

            //Act
            Bool actual = subject.IsSelected();

            //Assert
            ((bool)actual).Should().BeFalse();
        }
        public void Value_ShouldReturnValueOfOrigin()
        {
            //Arrange
            Glyph          origin  = new Glyph('?');
            UnselectedCell subject = new UnselectedCell(origin);

            //Act
            string actual = subject.Value();

            //Assert
            actual.Should().Be("?");
        }