Add tests for world name with dot

Author: benwoo1110

src/test/java/org/mvplugins/multiverse/core/world/WorldConfigMangerTest.kt

@@ -63,11 +63,16 @@ class WorldConfigMangerTest : TestWithMockBukkit() {
 
     @Test
     fun `Add a new world to config`() {
-        val worldConfig = worldConfigManager.addWorldConfig("newworld")
+        val worldConfig = worldConfigManager.addWorldConfig("new.world")
         assertNotNull(worldConfig)
-        assertEquals("newworld", worldConfig.worldName)
+        assertEquals("new.world", worldConfig.worldName)
         assertTrue(worldConfigManager.save().isSuccess)
         assertConfigEquals("/worlds/newworld_worlds.yml", "worlds.yml")
+
+        // Make sure the world still can be loaded after save
+        assertTrue(worldConfigManager.load().isSuccess)
+        assertEquals("new.world", worldConfigManager.getWorldConfig("new.world").orNull?.worldName)
+        assertConfigEquals("/worlds/newworld_worlds.yml", "worlds.yml")
     }
 
     @Test

src/test/resources/worlds/newworld_worlds.yml

@@ -74,7 +74,7 @@ world_nether:
   spawning: {}
   world-blacklist: []
   version: 1.2
-newworld:
+new[dot]world:
   adjust-spawn: false
   alias: ''
   allow-advancement-grant: true