diff --git a/ansible/roles/test/vars/testcases.yml b/ansible/roles/test/vars/testcases.yml
index d2e0109f37f..4adb1d4c90b 100644
--- a/ansible/roles/test/vars/testcases.yml
+++ b/ansible/roles/test/vars/testcases.yml
@@ -49,7 +49,8 @@ testcases:
     continuous_reboot:
       filename: continuous_reboot.yml
       vtestbed_compatible: no
-      topologies: [t0, t0-28, t0-52, t0-56, t0-56-po2vlan, t0-56-o8v48, t0-64, t0-64-32, t0-116, t0-118, t0-120, t0-88-o8c80, t1, t1-lag, t1-64-lag, t1-64-lag-clet, t1-56-lag, t1-28-lag, t1-48-lag]
+      topologies: [t0, t0-28, t0-52, t0-56, t0-56-po2vlan, t0-56-o8v48, t0-64, t0-64-32, t0-116, t0-118, t0-120, t0-88-o8c80, t1, t1-lag, t1-64-lag, t1-64-lag-clet, t1-56-lag, t1-28-lag, t1-48-lag, t0-isolated-d16u16s1, t1-isolated-d28u1, t0-isolated-d32u32s2, t0-isolated-v6-d32u32s2, t1-isolated-d56u2, t1-isolated-v6-d56u1-lag, t0-isolated-d256u256s2, t1-isolated-d448u15-lag]
+
 
     copp:
       filename: copp.yml
@@ -259,7 +260,7 @@ testcases:
 
     reboot:
       filename: reboot.yml
-      topologies: [dualtor, dualtor-64-breakout, dualtor-aa-64-breakout, t0, t0-28, t0-52, t0-56, t0-56-po2vlan, t0-56-o8v48, t0-64, t0-64-32, t0-116, t0-118, t0-120, t0-88-o8c80, t1, t1-lag, t1-28-lag, t1-48-lag, t1-64-lag, t1-64-lag-clet, t1-56-lag, ptf32, ptf64]
+      topologies: [dualtor, dualtor-64-breakout, dualtor-aa-64-breakout, t0, t0-28, t0-52, t0-56, t0-56-po2vlan, t0-56-o8v48, t0-64, t0-64-32, t0-116, t0-118, t0-120, t0-88-o8c80, t1, t1-lag, t1-28-lag, t1-48-lag, t1-64-lag, t1-64-lag-clet, t1-56-lag, ptf32, ptf64, t0-isolated-d16u16s1, t1-isolated-d28u1, t0-isolated-d32u32s2, t0-isolated-v6-d32u32s2, t1-isolated-d56u2, t1-isolated-v6-d56u1-lag, t0-isolated-d256u256s2, t1-isolated-d448u15-lag]
 
     repeat_harness:
       filename: repeat_harness.yml