Added tests for Item wrapper

PkmnLibSharp/Library/Species.cs

@@ -20,7 +20,6 @@ namespace PkmnLibSharp.Library
         public string Name => _name ??= CreatureSpecies.GetName(Ptr).PtrString();
         public string GrowthRate => _growthRate ??= CreatureSpecies.GetGrowthRate(Ptr).PtrString();
 
-
         public bool HasForme(string s)
         {
             return CreatureSpecies.HasVariant(Ptr, s.ToPtr()) == MarshalHelper.True;