diff --git a/tests/assets/configs/bad_primaite_session.yaml b/tests/assets/configs/bad_primaite_session.yaml
index 6f6a5cfd..c83cadc8 100644
--- a/tests/assets/configs/bad_primaite_session.yaml
+++ b/tests/assets/configs/bad_primaite_session.yaml
@@ -588,9 +588,9 @@ simulation:
       default_gateway: 192.168.1.1
       services:
       - type: DNSServer
-        # options:
-        #   domain_mapping:
-        #     arcd.com: 192.168.1.12 # web server
+        options:
+          domain_mapping:
+            arcd.com: 192.168.1.12 # web server
 
     - type: server
       hostname: web_server
diff --git a/tests/assets/configs/multi_agent_session.yaml b/tests/assets/configs/multi_agent_session.yaml
index 29836971..a2d64605 100644
--- a/tests/assets/configs/multi_agent_session.yaml
+++ b/tests/assets/configs/multi_agent_session.yaml
@@ -1380,9 +1380,9 @@ simulation:
       default_gateway: 192.168.1.1
       services:
       - type: DNSServer
-        # options:
-        #   domain_mapping:
-        #     arcd.com: 192.168.1.12 # web server
+        options:
+          domain_mapping:
+            arcd.com: 192.168.1.12 # web server
 
     - hostname: web_server
       type: server