forgot to add new test spec file

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@997 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/config/testdata/spec24.spec

@@ -0,0 +1,18 @@
+{
+  "module_spec": {
+    "module_name": "Spec24",
+    "config_data": [
+      { "item_name": "item",
+        "item_type": "list",
+        "item_optional": True,
+        "list_item_spec": {
+          "item_name": "list_element",
+          "item_type": "string",
+          "item_optional": False,
+          "item_default": ""
+        }
+      }
+    ]
+  }
+}
+