Support npc and object definitions in plugin tests

game/plugin/skills/prayer/test/BuryBoneTests.kt

@@ -26,11 +26,6 @@ class BuryBoneTests {
     @TestMock
     lateinit var action: ActionCapture
 
-    @ItemDefinitions
-    fun bones(): Collection<ItemDefinition> {
-        return Bone.values().map { ItemDefinition(it.id) }
-    }
-
     @ParameterizedTest
     @EnumSource(value = Bone::class)
     fun `Burying a bone should send a message`(bone: Bone) {
@@ -69,4 +64,11 @@ class BuryBoneTests {
         }
     }
 
+    private companion object {
+        @ItemDefinitions
+        fun bones(): Collection<ItemDefinition> {
+            return Bone.values().map { ItemDefinition(it.id) }
+        }
+    }
+
 }