public void GetFreeCellTest()
{
// ARRANGE
var rooms = new RoomMatrix(10);
rooms.SetRoom(3, 3, new Room());
var testedCoords = new OffsetCoords(3, 3);
// ACT
var factCoords = GenerationHelper.GetFreeCell(rooms, testedCoords);
// ASSERT
factCoords.Should().NotBeNull();
var isEquals = factCoords.X == testedCoords.X && factCoords.Y == testedCoords.Y;
isEquals.Should().BeFalse();
}