Undo change to make the tests run again. Sooner or later the MultiDimension tool…

Undo change to make the tests run again. Sooner or later the MultiDimension tool will be removed as now we have spatial indexes.

h2/src/main/org/h2/tools/MultiDimension.java

@@ -24,8 +24,9 @@ public class MultiDimension implements Comparator<long[]> {
 
     private static final MultiDimension INSTANCE = new MultiDimension();
 
-    private MultiDimension() {
+    protected MultiDimension() {
         // don't allow construction by normal code
+        // but allow tests
     }
 
     /**