Revert useless change

h2/src/test/org/h2/test/TestDb.java

@@ -147,7 +147,6 @@ public abstract class TestDb extends TestBase {
         if (config.collation != null) {
             url = addOption(url, "COLLATION", config.collation);
         }
-        url = addOption(url, "IFEXISTS", "FALSE");
         return "jdbc:h2:" + url;
     }