Test IDN label separator in hostname format

Regular `hostname` should not support the extended label separators used
in `idn-hostname`.

Author: davishmcclurg

tests/draft-next/optional/format/hostname.json

@@ -140,6 +140,11 @@
                 "description": "trailing dot",
                 "data": "example.",
                 "valid": false
+            },
+            {
+                "description": "IDN label separator",
+                "data": "example\uff0ecom",
+                "valid": false
             }
         ]
     }

tests/draft2019-09/optional/format/hostname.json

@@ -140,6 +140,11 @@
                 "description": "trailing dot",
                 "data": "example.",
                 "valid": false
+            },
+            {
+                "description": "IDN label separator",
+                "data": "example\uff0ecom",
+                "valid": false
             }
         ]
     }

tests/draft2020-12/optional/format/hostname.json

@@ -140,6 +140,11 @@
                 "description": "trailing dot",
                 "data": "example.",
                 "valid": false
+            },
+            {
+                "description": "IDN label separator",
+                "data": "example\uff0ecom",
+                "valid": false
             }
         ]
     }

tests/draft4/optional/format/hostname.json

@@ -132,6 +132,11 @@
                 "description": "trailing dot",
                 "data": "example.",
                 "valid": false
+            },
+            {
+                "description": "IDN label separator",
+                "data": "example\uff0ecom",
+                "valid": false
             }
         ]
     }

tests/draft6/optional/format/hostname.json

@@ -132,6 +132,11 @@
                 "description": "trailing dot",
                 "data": "example.",
                 "valid": false
+            },
+            {
+                "description": "IDN label separator",
+                "data": "example\uff0ecom",
+                "valid": false
             }
         ]
     }

tests/draft7/optional/format/hostname.json

@@ -132,6 +132,11 @@
                 "description": "trailing dot",
                 "data": "example.",
                 "valid": false
+            },
+            {
+                "description": "IDN label separator",
+                "data": "example\uff0ecom",
+                "valid": false
             }
         ]
     }