public void Value_WhenClonedValueChanges_Unchanged()
{
var expression = new ValueExpression <object>(1.0);
var clone = (ValueExpression <object>)expression.Clone();
clone.Value = 2.0;
Assert.That(expression.Value, Is.EqualTo(1.0));
Assert.That(clone.Value, Is.EqualTo(2.0));
}