public void ExecuteAssignsValueToOwnerProperty()
 {
     // Fixture setup
     var owner = new PropertyHolder<object>();
     var property = owner.GetType().GetProperty("Property");
     var sut = new PropertySetCommand(property, owner);
     var value = new object();
     // Exercise system
     sut.Execute(value);
     // Verify outcome
     Assert.Equal(value, owner.Property);
     // Teardown
 }