Do not use schema public in mdb_superuser regression tests (#8)

Author: reshke

src/test/regress/expected/mdb_superuser.out

@@ -85,6 +85,7 @@ CREATE DATABASE regress_check_owner OWNER regress_mdb_superuser_user2;
 SET ROLE regress_mdb_superuser_user2;
 CREATE SCHEMA regtest;
 CREATE TABLE regtest.regtest();
+GRANT CREATE ON SCHEMA regtest TO regress_mdb_su_role_o2;
 -- this should fail
 SET ROLE regress_mdb_superuser_user3;
 GRANT ALL ON TABLE regtest.regtest TO regress_mdb_superuser_user3;
@@ -96,9 +97,9 @@ GRANT ALL ON TABLE regtest.regtest TO regress_mdb_superuser_user1;
 ALTER TABLE regtest.regtest OWNER TO regress_mdb_superuser_user1;
 -- Check grantor
 SET ROLE regress_mdb_su_role_o2;
-CREATE TABLE public.role_o2_t();
+CREATE TABLE regtest.role_o2_t();
 SET ROLE mdb_superuser;
-GRANT SELECT ON public.role_o2_t TO regress_mdb_su_role_o1;
+GRANT SELECT ON regtest.role_o2_t TO regress_mdb_su_role_o1;
 SELECT
  grantor
 from information_schema.role_table_grants

src/test/regress/sql/mdb_superuser.sql

@@ -113,6 +113,8 @@ SET ROLE regress_mdb_superuser_user2;
 CREATE SCHEMA regtest;
 CREATE TABLE regtest.regtest();
 
+GRANT CREATE ON SCHEMA regtest TO regress_mdb_su_role_o2;
+
 -- this should fail
 
 SET ROLE regress_mdb_superuser_user3;
@@ -127,11 +129,11 @@ ALTER TABLE regtest.regtest OWNER TO regress_mdb_superuser_user1;
 
 SET ROLE regress_mdb_su_role_o2;
 
-CREATE TABLE public.role_o2_t();
+CREATE TABLE regtest.role_o2_t();
 
 SET ROLE mdb_superuser;
 
-GRANT SELECT ON public.role_o2_t TO regress_mdb_su_role_o1;
+GRANT SELECT ON regtest.role_o2_t TO regress_mdb_su_role_o1;
 
 SELECT
  grantor