public void ExpectTrueEqualsMethodWhithTwoITileObjeckTest()
 {
     var numberTileFirst = new NumberTile(1);
     var numberTileSecond = new NumberTile(1);
     bool result = numberTileFirst.Equals(numberTileSecond);
     Assert.IsTrue(result);
 }
 public void ExpectFalseEqualsMethodWhithNullObjeckTest()
 {
     var numberTileFirst = new NumberTile(1);
     NumberTile numberTileSecond = null;
     bool result = numberTileFirst.Equals(numberTileSecond);
     Assert.IsFalse(result);
 }