Server: Simplify PG12/Postgis 3 interaction

server/extension/test/expected/00_install_test.out

@@ -1,13 +1,9 @@
 -- Only show warning or error messages in the tests output
+\set QUIET on
 SET client_min_messages TO WARNING;
--- Install dependencies
-CREATE EXTENSION postgis;
-CREATE EXTENSION @@plpythonu@@;
-CREATE EXTENSION plproxy;
-CREATE EXTENSION cartodb;
-CREATE EXTENSION cdb_geocoder;
 -- Install the extension
-CREATE EXTENSION cdb_dataservices_server;
+CREATE EXTENSION cdb_dataservices_server CASCADE;
+\unset QUIET
 -- Mock the redis server connection to point to this very test db
 SELECT cartodb.cdb_conf_setconf('redis_metrics_config', '{"redis_host": "localhost", "redis_port": 6379, "timeout": 0.1, "redis_db": 5}');
  cdb_conf_setconf 
@@ -71,6 +67,7 @@ BEGIN
 END
 $$
 LANGUAGE plpgsql;
+CREATE FUNCTION
 -- Set user quota
 SELECT cartodb.CDB_SetUserQuotaInBytes(0);
  cdb_setuserquotainbytes