Update test ldtk file by resaving with ldtk 1.5.3

tests/example.ldtk

@@ -5,37 +5,50 @@
 		"doc": "https://ldtk.io/json",
 		"schema": "https://ldtk.io/files/JSON_SCHEMA.json",
 		"appAuthor": "Sebastien 'deepnight' Benard",
-		"appVersion": "0.9.3",
+		"appVersion": "1.5.3",
 		"url": "https://ldtk.io"
 	},
-	"jsonVersion": "0.9.3",
+	"iid": "66442c80-d7b0-11ee-8932-9baf5a7e4a8a",
+	"jsonVersion": "1.5.3",
+	"appBuildId": 473703,
 	"nextUid": 3,
+	"identifierStyle": "Capitalize",
+	"toc": [],
 	"worldLayout": "Free",
 	"worldGridWidth": 256,
 	"worldGridHeight": 256,
+	"defaultLevelWidth": 256,
+	"defaultLevelHeight": 256,
 	"defaultPivotX": 0,
 	"defaultPivotY": 0,
 	"defaultGridSize": 16,
-	"defaultLevelWidth": 256,
-	"defaultLevelHeight": 256,
+	"defaultEntityWidth": 16,
+	"defaultEntityHeight": 16,
 	"bgColor": "#7F8093",
 	"defaultLevelBgColor": "#7F8093",
 	"minifyJson": false,
 	"externalLevels": false,
 	"exportTiled": false,
+	"simplifiedExport": false,
 	"imageExportMode": "None",
+	"exportLevelBg": true,
 	"pngFilePattern": null,
 	"backupOnSave": false,
 	"backupLimit": 10,
+	"backupRelPath": null,
 	"levelNamePattern": "Level_%idx",
-	"flags": [],
+	"tutorialDesc": null,
+	"customCommands": [],
+	"flags": [ "ExportOldTableOfContentData", "PrependIndexToLevelFileNames" ],
 	"defs": { "layers": [], "entities": [], "tilesets": [], "enums": [], "externalEnums": [], "levelFields": [] },
 	"levels": [
 		{
 			"identifier": "Level",
+			"iid": "66456500-d7b0-11ee-8932-dd49c750895f",
 			"uid": 0,
 			"worldX": 0,
 			"worldY": 0,
+			"worldDepth": 0,
 			"pxWid": 256,
 			"pxHei": 256,
 			"__bgColor": "#7F8093",
@@ -45,11 +58,14 @@
 			"bgPos": null,
 			"bgPivotX": 0.5,
 			"bgPivotY": 0.5,
+			"__smartColor": "#B9B9C4",
 			"__bgPos": null,
 			"externalRelPath": null,
 			"fieldInstances": [],
 			"layerInstances": [],
 			"__neighbours": []
 		}
-	]
+	],
+	"worlds": [],
+	"dummyWorldIid": "6644c8c0-d7b0-11ee-8932-c7b80f425433"
 }