--- tests/test_types_extras.py-orig	2021-12-29 13:51:56.000000000 +0100
+++ tests/test_types_extras.py	2022-05-17 11:23:12.476001589 +0200
@@ -616,51 +616,6 @@
         curs.execute("select (1,2)::type_ii")
         self.assertRaises(psycopg2.DataError, curs.fetchone)
 
-    @slow
-    @skip_if_no_composite
-    @skip_before_postgres(8, 4)
-    def test_from_tables(self):
-        curs = self.conn.cursor()
-        curs.execute("""create table ctest1 (
-            id integer primary key,
-            temp int,
-            label varchar
-        );""")
-
-        curs.execute("""alter table ctest1 drop temp;""")
-
-        curs.execute("""create table ctest2 (
-            id serial primary key,
-            label varchar,
-            test_id integer references ctest1(id)
-        );""")
-
-        curs.execute("""insert into ctest1 (id, label) values
-                (1, 'test1'),
-                (2, 'test2');""")
-        curs.execute("""insert into ctest2 (label, test_id) values
-                ('testa', 1),
-                ('testb', 1),
-                ('testc', 2),
-                ('testd', 2);""")
-
-        psycopg2.extras.register_composite("ctest1", curs)
-        psycopg2.extras.register_composite("ctest2", curs)
-
-        curs.execute("""
-            select ctest1, array_agg(ctest2) as test2s
-            from (
-                select ctest1, ctest2
-                from ctest1 inner join ctest2 on ctest1.id = ctest2.test_id
-                order by ctest1.id, ctest2.label
-            ) x group by ctest1;""")
-
-        r = curs.fetchone()
-        self.assertEqual(r[0], (1, 'test1'))
-        self.assertEqual(r[1], [(1, 'testa', 1), (2, 'testb', 1)])
-        r = curs.fetchone()
-        self.assertEqual(r[0], (2, 'test2'))
-        self.assertEqual(r[1], [(3, 'testc', 2), (4, 'testd', 2)])
 
     @skip_if_no_composite
     def test_non_dbapi_connection(self):