Add an install test

geocoder/extension/expected/cdb_geocoder_admin0_test.out

@@ -1,8 +1,3 @@
-CREATE EXTENSION postgis;
-CREATE EXTENSION schema_triggers;
-CREATE EXTENSION plpythonu;
-CREATE EXTENSION cartodb;
-CREATE EXTENSION cdb_geocoder_admin0;
 -- Check that the synonym function is callable, should return NULL
 SELECT (admin0_synonym_lookup(Array['United States', 'ESP'])).*;
        q       | adm0_a3 
@@ -20,13 +15,6 @@ SELECT (geocode_admin0_polygons(Array['Spain', 'USA', ''])).*;
  USA   |      | f
 (3 rows)
 
--- Mock the varnish invalidation function
-CREATE OR REPLACE FUNCTION public.cdb_invalidate_varnish(table_name text) RETURNS void AS $$
-BEGIN
-  RETURN;
-END
-$$
-LANGUAGE plpgsql;
 -- Add a few synonyms
 COPY admin0_synonyms (name, rank, created_at, updated_at, the_geom, the_geom_webmercator, cartodb_id, adm0_a3, name_) FROM stdin;
 -- Check that the synonym function is callable, should return their iso codes