Support npc and object definitions in plugin tests

game/plugin/skills/mining/test/PickaxeTests.kt

@@ -13,11 +13,6 @@ import org.junit.jupiter.params.provider.EnumSource
 @ExtendWith(ApolloTestingExtension::class)
 class PickaxeTests {
 
-    @ItemDefinitions
-    fun pickaxes() = Pickaxe.values().map {
-        ItemDefinition(it.id).apply { isStackable = false }
-    }
-
     @TestMock
     lateinit var player: Player
 
@@ -72,4 +67,11 @@ class PickaxeTests {
         assertEquals(pickaxe, Pickaxe.bestFor(player))
     }
 
+    private companion object {
+        @ItemDefinitions
+        fun pickaxes() = Pickaxe.values().map {
+            ItemDefinition(it.id).apply { isStackable = false }
+        }
+    }
+
 }