Implements critical capture, tweaks for integration tests.

PkmnLib.Dynamic/Models/LearnedMove.cs

@@ -173,4 +173,7 @@ public class LearnedMoveImpl : ILearnedMove
     {
         CurrentPp = Math.Min(uses, MaxPp);
     }
+
+    /// <inheritdoc />
+    public override string ToString() => MoveData.Name;
 }

PkmnLib.Dynamic/Models/Pokemon.cs

@@ -1261,6 +1261,14 @@ public class PokemonImpl : ScriptSource, IPokemon
             side.CollectScripts(scripts);
         }
     }
+
+    /// <inheritdoc />
+    public override string ToString()
+    {
+        if (!string.IsNullOrEmpty(Nickname))
+            return $"{Nickname} ({Species.Name})";
+        return Species.Name;
+    }
 }
 
 /// <inheritdoc />