Reworks PokemonBuilder.

PkmnLibSharpTests/Battling/BattleLibraryHelper.cs

@@ -1,5 +1,4 @@
 using System.Linq;
-using NUnit.Framework;
 using PkmnLibSharp.Battling;
 using PkmnLibSharp.Library;
 using PkmnLibSharp.Library.GrowthRates;

PkmnLibSharpTests/Battling/PokemonBuilder.cs

@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using PkmnLibSharp.Battling;
+using PkmnLibSharp.Library;
+using PkmnLibSharp.Library.Items;
+
+namespace PkmnLibSharpTests.Battling
+{
+    public class PokemonBuilder : BasePokemonBuilder<Pokemon>
+    {
+        public PokemonBuilder(BattleLibrary library, string species, byte level) : base(library, species, level)
+        {
+        }
+
+
+        protected override Pokemon Finalize(Species species, Forme forme, Item? heldItem, IReadOnlyCollection<LearnedMove> moves, Nature nature)
+        {
+            return new Pokemon(Library, species, forme!, Level, Experience, Uid, Gender, Coloring,
+                heldItem, Nickname, HiddenAbility, (byte) AbilityIndex, moves, IVs, EVs, nature);
+        }
+    }
+}