diff --git a/test/simulation/103-initstepslew b/test/simulation/103-initstepslew
index 4595194..fe47b68 100755
--- a/test/simulation/103-initstepslew
+++ b/test/simulation/103-initstepslew
@@ -9,6 +9,7 @@ time_rms_limit=1e-3
 limit=100
 
 client_conf="initstepslew 5 192.168.123.1"
+client_server_conf="#"
 
 min_sync_time=6
 max_sync_time=35
@@ -18,6 +19,7 @@ for time_offset in -2.0 -0.2 0.2 2.0; do
 	check_chronyd_exit || test_fail
 	check_packet_interval || test_fail
 	check_sync || test_fail
+	check_log_messages "00:00:0.Z System's initial.*slew" 1 1 || test_fail
 done
 
 min_sync_time=5
@@ -27,6 +29,35 @@ for time_offset in -1e8 -1e2 1e2 1e8; do
 	run_test || test_fail
 	check_packet_interval || test_fail
 	check_sync || test_fail
+	check_log_messages "System's initial.*step" 1 1 || test_fail
 done
 
+time_offset=3
+limit=500
+servers=2
+falsetickers=1
+client_conf="initstepslew 5 192.168.123.1 192.168.123.2"
+client_server_conf="server 192.168.123.2"
+
+min_sync_time=360
+max_sync_time=450
+
+run_test || test_fail
+check_chronyd_exit || test_fail
+check_packet_interval || test_fail
+check_sync || test_fail
+check_log_messages "00:03:2.Z No suitable source for initstepslew" 1 1 || test_fail
+
+client_conf="initstepslew 5 192.168.123.1 192.168.123.2"
+
+min_sync_time=1
+max_sync_time=500
+server_conf="deny all"
+
+run_test || test_fail
+check_chronyd_exit || test_fail
+check_packet_interval || test_fail
+check_sync && test_fail
+check_log_messages "00:00:1.Z No suitable source for initstepslew" 1 1 || test_fail
+
 test_pass