--- a/src/test/modules/injection_points/injection_points.c
+++ b/src/test/modules/injection_points/injection_points.c
@@ -163,6 +163,8 @@ injection_points_cleanup(int code, Datum arg)
 	if (!injection_point_local)
 		return;
 
+	pg_usleep(1000000 * 1L);
+
 	SpinLockAcquire(&inj_state->lock);
 	for (int i = 0; i < INJ_MAX_CONDITION; i++)
 	{