adjust expectations and make sure echo is none

src/pg/test/sql/40_observatory_utility_test.sql

@@ -1,6 +1,8 @@
 \pset format unaligned
 \set ECHO all
 \i test/fixtures/load_fixtures.sql
+SET client_min_messages TO WARNING;
+\set ECHO none
 
 -- OBS_GeomTable
 -- get table with known geometry_id

src/pg/test/sql/41_observatory_augmentation_test.sql

@@ -1,5 +1,6 @@
 \pset format unaligned
 \set ECHO none
+SET client_min_messages TO WARNING;
 
 --
 WITH result as(

src/pg/test/sql/42_observatory_exploration_test.sql

@@ -1,4 +1,6 @@
 \pset format unaligned
+\set ECHO none
+SET client_min_messages TO WARNING;
 
 -- set up variables for use in testing
 

src/pg/test/sql/44_observatory_geometries_test.sql

@@ -1,5 +1,6 @@
 \pset format unaligned
-\set ECHO all
+\set ECHO none
+SET client_min_messages TO WARNING;
 
 -- set up variables for use in testing