Fixed tests

core/src/mindustry/io/versions/LegacyRegionSaveVersion.java

@@ -0,0 +1,31 @@
+package mindustry.io.versions;
+
+import arc.util.io.*;
+import mindustry.io.*;
+import mindustry.world.*;
+
+import java.io.*;
+
+import static mindustry.Vars.*;
+
+/** This version does not read custom chunk data (<= 6). */
+public class LegacyRegionSaveVersion extends SaveVersion{
+
+    public LegacyRegionSaveVersion(int version){
+        super(version);
+    }
+
+    @Override
+    public void read(DataInputStream stream, CounterInputStream counter, WorldContext context) throws IOException{
+        region("meta", stream, counter, this::readMeta);
+        region("content", stream, counter, this::readContentHeader);
+
+        try{
+            region("map", stream, counter, in -> readMap(in, context));
+            region("entities", stream, counter, this::readEntities);
+        }finally{
+            content.setTemporaryMapper(null);
+
+        }
+    }
+}