diff --git a/src/pg/test/expected/08_interpolation_test.out b/src/pg/test/expected/08_interpolation_test.out
index 49566db..bb8c73e 100644
--- a/src/pg/test/expected/08_interpolation_test.out
+++ b/src/pg/test/expected/08_interpolation_test.out
@@ -1,10 +1,4 @@
-\pset format unaligned
-\set ECHO all
-
-WITH a AS (
-    SELECT
-    ARRAY[800, 700, 600, 500, 400, 300, 200, 100] AS vals,
-    ARRAY[ST_GeomFromText('POINT(2.1744 41.403)'),ST_GeomFromText('POINT(2.1228 41.380)'),ST_GeomFromText('POINT(2.1511 41.374)'),ST_GeomFromText('POINT(2.1528 41.413)'),ST_GeomFromText('POINT(2.165 41.391)'),ST_GeomFromText('POINT(2.1498 41.371)'),ST_GeomFromText('POINT(2.1533 41.368)'),ST_GeomFromText('POINT(2.131386 41.41399)')] AS g
-)
+SET client_min_messages TO WARNING;
+\set ECHO none
 cdb_spatialinterpolation
 t
diff --git a/src/pg/test/sql/08_interpolation_test.sql b/src/pg/test/sql/08_interpolation_test.sql
index ba8968f..bd9c729 100644
--- a/src/pg/test/sql/08_interpolation_test.sql
+++ b/src/pg/test/sql/08_interpolation_test.sql
@@ -1,5 +1,6 @@
+SET client_min_messages TO WARNING;
+\set ECHO none
 \pset format unaligned
-\set ECHO all
 
 WITH a AS (
     SELECT