diff --git a/test/test_pghoard.py b/test/test_pghoard.py
index 968aa6d8..3bd5a101 100644
--- a/test/test_pghoard.py
+++ b/test/test_pghoard.py
@@ -604,8 +604,6 @@ def test_pause_on_disk_full(self, db, pghoard_separate_volume, caplog):
         # MiB so if logic for automatically suspending pg_receive(xlog|wal) wasn't working the volume
         # would certainly fill up and the files couldn't be processed. Now this should work fine.
         for _ in range(16):
-            # Note: do not combine two function call in one select, PG executes it differently and
-            # sometimes looks like it generates less WAL files than we wanted
             switch_wal(conn)
         conn.close()
 
diff --git a/test/util.py b/test/util.py
index 39939647..d3f0df2e 100644
--- a/test/util.py
+++ b/test/util.py
@@ -24,6 +24,8 @@ def switch_wal(connection):
     cur = connection.cursor()
     # Force allocating a XID, otherwise if there was no activity we will
     # stay on the same WAL
+    # Note: do not combine two function call in one select, PG executes it differently and
+    # sometimes looks like it generates less WAL files than we wanted
     cur.execute("SELECT txid_current()")
     if connection.server_version >= 100000:
         cur.execute("SELECT pg_switch_wal()")