diff --git a/unittest/correct-example1.yaml b/unittest/correct-example1.yaml
index 6a09354..67fc435 100644
--- a/unittest/correct-example1.yaml
+++ b/unittest/correct-example1.yaml
@@ -39,6 +39,7 @@ interfaces:
     lcp: "bond0"
     sub-interfaces:
       200:
+        description: "This subint is needed to build the parent LCP bond0.1000 for QinQ subint 202 bond0.1000.1234"
         encapsulation:
           dot1q: 1000
       201:
diff --git a/unittest/error-subinterface4.yaml b/unittest/error-subinterface4.yaml
index 89ac13d..c142978 100644
--- a/unittest/error-subinterface4.yaml
+++ b/unittest/error-subinterface4.yaml
@@ -9,6 +9,10 @@ interfaces:
     lcp: "e01234"
     sub-interfaces:
       100:
+        description: "Dot1Q subinterface"
+        encapsulation:
+          dot1q: 1234
+      101:
         description: "QinQ subinterface"
         addresses: [ 192.0.2.1/24 ]
         encapsulation:
diff --git a/unittest/error-subinterface6.yaml b/unittest/error-subinterface6.yaml
index b5c2531..f43158e 100644
--- a/unittest/error-subinterface6.yaml
+++ b/unittest/error-subinterface6.yaml
@@ -17,4 +17,3 @@ interfaces:
         encapsulation:
           ## Missing dot1q or dot1ad
           inner-dot1q: 100
-