Unit test to catch game loading problems with religion enabled (#11821)

* Lint regions in UncivFiles

* Create a load-predefined-game test that catches the 4.12.2 bug

core/src/com/unciv/logic/files/UncivFiles.kt

@@ -313,6 +313,9 @@ class UncivFiles(
         getGeneralSettingsFile().writeString(json().toJson(gameSettings), false, Charsets.UTF_8.name())
     }
 
+    //endregion
+    //region Scenarios
+
     val scenarioFolder = "scenarios"
     fun getScenarioFiles() = sequence {
 
@@ -340,6 +343,8 @@ class UncivFiles(
         return game
     }
 
+    //endregion
+
     companion object {
 
         var saveZipped = false