delete of uselesse conditoin and remove in test

Qwirkle/QwirkleClassLibrary/Tiles/TileBag.cs

@@ -36,10 +36,6 @@ namespace QwirkleClassLibrary.Tiles
 
         public bool AddTileInBag(Tile tile)
         {
-            if (tile == null)
-            {
-                return false;
-            }
             tiles.Add(tile);
             return true;
         }

Qwirkle/TestBase/TestTileBag.cs

@@ -16,29 +16,22 @@ public class TestTileBag
             return;
         }
         TileBag bag = new TileBag(nbset);
-        Assert.Equal(bag.TilesBag.Count, nbset * 36);
+        Assert.Equal(bag.TilesBag.Count, nbset*36);
     }
 
-    [Theory]
-    [InlineData(true)]
-    [InlineData(false)]
-    public void Test_AddTileInBag(bool select)
+    [Fact]
+    public void Test_AddTileInBag()
     {
         Tile? t = null;
         Tile tok = new(Shape.Club, Color.Green);
         TileBag bag = new TileBag(2);
 
-        if (select)
+        if (t != null && bag.AddTileInBag(t) == false)
         {
             Assert.True(bag.AddTileInBag(tok));
-            return;
                 
         }
         
-
-        Assert.False(bag.AddTileInBag(t));
-        return;
-
     }
 
     [Fact]