diff --git a/url/resources/urltestdata.json b/url/resources/urltestdata.json
index c7b6637cb58381..e5e5e76336f678 100644
--- a/url/resources/urltestdata.json
+++ b/url/resources/urltestdata.json
@@ -7303,6 +7303,7 @@
     "input": "blob:https://example.com:443/",
     "base": "about:blank",
     "href": "blob:https://example.com:443/",
+    "origin": "https://example.com",
     "protocol": "blob:",
     "username": "",
     "password": "",
@@ -7317,6 +7318,7 @@
     "input": "blob:d3958f5c-0777-0845-9dcf-2cb28783acaf",
     "base": "about:blank",
     "href": "blob:d3958f5c-0777-0845-9dcf-2cb28783acaf",
+    "origin": "null",
     "protocol": "blob:",
     "username": "",
     "password": "",
@@ -7327,6 +7329,21 @@
     "search": "",
     "hash": ""
   },
+  {
+    "input": "blob:",
+    "base": "about:blank",
+    "href": "blob:",
+    "origin": "null",
+    "protocol": "blob:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "",
+    "search": "",
+    "hash": ""
+  },
   "Invalid IPv4 radix digits",
   {
     "input": "http://0x7f.0.0.0x7g",