diff --git a/tests/pillar/client.sls b/tests/pillar/client.sls
index fd770b7..a313c5f 100644
--- a/tests/pillar/client.sls
+++ b/tests/pillar/client.sls
@@ -5,3 +5,7 @@
     strata:
     - ntp.cesnet.cz
     - pool.ntp.org
+    interface:
+      test:
+        action: action
+        value: value
diff --git a/tests/pillar/server.sls b/tests/pillar/server.sls
index b623e0c..08713b4 100644
--- a/tests/pillar/server.sls
+++ b/tests/pillar/server.sls
@@ -17,3 +17,7 @@
     strata:
     - ntp.cesnet.cz
     - pool.ntp.org
+    interface:
+      test:
+        action: action
+        value: value
\ No newline at end of file