diff --git a/tests/draft2019-09/optional/format/idn-email.json b/tests/draft2019-09/optional/format/idn-email.json
index 637409ea..552d1067 100644
--- a/tests/draft2019-09/optional/format/idn-email.json
+++ b/tests/draft2019-09/optional/format/idn-email.json
@@ -12,6 +12,16 @@
                 "description": "an invalid idn e-mail address",
                 "data": "2962",
                 "valid": false
+            },
+            {
+                "description": "a valid e-mail address",
+                "data": "joe.bloggs@example.com",
+                "valid": true
+            },
+            {
+                "description": "an invalid e-mail address",
+                "data": "2962",
+                "valid": false
             }
         ]
     }
diff --git a/tests/draft7/optional/format/idn-email.json b/tests/draft7/optional/format/idn-email.json
index 637409ea..552d1067 100644
--- a/tests/draft7/optional/format/idn-email.json
+++ b/tests/draft7/optional/format/idn-email.json
@@ -12,6 +12,16 @@
                 "description": "an invalid idn e-mail address",
                 "data": "2962",
                 "valid": false
+            },
+            {
+                "description": "a valid e-mail address",
+                "data": "joe.bloggs@example.com",
+                "valid": true
+            },
+            {
+                "description": "an invalid e-mail address",
+                "data": "2962",
+                "valid": false
             }
         ]
     }