protected override void Context()
 {
     base.Context();
     _simpleHistoryItem       = A.Fake <IHistoryItem>();
     _command                 = new MySimpleCommand();
     _command.Visible         = true;
     _simpleHistoryItem.State = 1;
     A.CallTo(() => _simpleHistoryItem.User).Returns("toto");
     A.CallTo(() => _simpleHistoryItem.Command).Returns(_command);
     _command.CommandType         = "CommandType";
     _command.ObjectType          = "ObjectType";
     _command.Description         = "Description";
     _command.Comment             = "One comment";
     _command.ExtendedDescription = "One LongDescription";
     _command.AddExtendedProperty("p1", "one value for p1");
     _command.AddExtendedProperty("p2", "one value for p2");
 }