public bool ContainsCellTest(int width, int height, int checkX, int checkY)
{
// Arrange
var mapCellsFactory = new Func <IAreaMapCellInternal>(() => new Mock <IAreaMapCellInternal>().Object);
var map = new AreaMap(1, mapCellsFactory, width, height);
// Act
return(map.ContainsCell(checkX, checkY));
}