diff --git a/src/test/resources/pwaas-invalid-mode.json b/src/test/resources/pwaas-invalid-mode.json
new file mode 100644
index 0000000..af0a9d1
--- /dev/null
+++ b/src/test/resources/pwaas-invalid-mode.json
@@ -0,0 +1,13 @@
+{
+  "1": {
+    "cP1": "of:0000000000000001/1",
+    "cP2": "of:0000000000000011/1",
+    "cP1InnerTag": "10",
+    "cP1OuterTag": "20",
+    "cP2InnerTag": "11",
+    "cP2OuterTag": "",
+    "mode": "UNDEFINED_MODED",
+    "sdTag": "40",
+    "pwLabel": "255"
+  }
+}