[3681] shell tests in admin fixed

 - ipv6_reservations is now deleted before all other tables

src/bin/admin/tests/mysql_tests.sh.in

@@ -38,6 +38,11 @@ keaadmin=@abs_top_builddir@/src/bin/admin/kea-admin
 mysql_wipe() {
     printf "Wiping whole database %s\n" $db_name
 
+    # ipv6_reservations table must be deleted first, as it has contraints that
+    # are dependent on hosts. Therefore hosts table cannot be deleted before
+    # ipv6_reservations.
+    mysql_execute "DROP TABLE IF EXISTS ipv6_reservations;"
+
     # First we build the list of drop table commands
     # We don't bother with "cascade" because as of MySQL
     # 5.1 it is only there to ease porting, it doesn't