diff --git a/tests/sql/cron_post_jobs.sql b/tests/sql/cron_post_jobs.sql
index b756218..8230df1 100644
--- a/tests/sql/cron_post_jobs.sql
+++ b/tests/sql/cron_post_jobs.sql
@@ -57,3 +57,9 @@ SELECT stats_logs_fn->'name' AS name,
         FROM stats_jsonb;
 DROP TABLE stats_jsonb;
 SELECT api.stats_logs_fn('2022-01-01'::text,'2022-06-12'::text);
+
+-- Update logbook observations
+\echo 'update_logbook_observations_fn'
+SELECT extra FROM api.logbook l WHERE id = 1 AND vessel_id = current_setting('vessel.id', false);
+SELECT api.update_logbook_observations_fn(1, '{"observations":{"cloudCoverage":1}}'::TEXT);
+SELECT extra FROM api.logbook l WHERE id = 1 AND vessel_id = current_setting('vessel.id', false);
diff --git a/tests/sql/cron_post_jobs.sql.output b/tests/sql/cron_post_jobs.sql.output
index b8a4faf..35669fb 100644
--- a/tests/sql/cron_post_jobs.sql.output
+++ b/tests/sql/cron_post_jobs.sql.output
@@ -92,3 +92,13 @@ DROP TABLE
 -[ RECORD 1 ]-+-
 stats_logs_fn | 
 
+update_logbook_observations_fn
+-[ RECORD 1 ]----------------------------------------------------------------------------------------------------------------
+extra | {"metrics": {"propulsion.main.runTime": 10}, "observations": {"seaState": -1, "visibility": -1, "cloudCoverage": -1}}
+
+-[ RECORD 1 ]------------------+--
+update_logbook_observations_fn | t
+
+-[ RECORD 1 ]---------------------------------------------------------------------------------------------------------------
+extra | {"metrics": {"propulsion.main.runTime": 10}, "observations": {"seaState": -1, "visibility": -1, "cloudCoverage": 1}}
+