Server: Simplify PG12/Postgis 3 interaction

server/extension/test/sql/00_install_test.sql

@@ -1,14 +1,10 @@
 -- 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}');