diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index eddddddeb97..d9fa6745d77 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -14269,7 +14269,13 @@
      "/_mozilla/mozilla/range_deleteContents.html", 
      {}
     ]
-   ], 
+   ],
+   "mozilla/range_request_blob_url.html": [
+    [
+     "/_mozilla/mozilla/range_request_blob_url.html",
+     {}
+    ]
+   ],
    "mozilla/range_request_file_url.html": [
     [
      "/_mozilla/mozilla/range_request_file_url.html", 
@@ -27238,7 +27244,11 @@
   "mozilla/range_deleteContents.html": [
    "8de03455bcb0d18258f76af20f58c14868fe1c21", 
    "testharness"
-  ], 
+  ],
+  "mozilla/range_request_blob_url.html": [
+   "4e8b55d0b836dda9de14faead2ee1d6da354e8a4",
+   "testharness"
+  ],
   "mozilla/range_request_file_url.html": [
    "65fe13fe93d97cebc2846ff7d7deab3eb84c1787", 
    "testharness"
diff --git a/tests/wpt/mozilla/tests/mozilla/range_request_blob_url.html b/tests/wpt/mozilla/tests/mozilla/range_request_blob_url.html
new file mode 100644
index 00000000000..b41f0b5382e
--- /dev/null
+++ b/tests/wpt/mozilla/tests/mozilla/range_request_blob_url.html
@@ -0,0 +1,63 @@
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+[{
+  range: "bytes=0-",
+  status: 206,
+  expected: "abcdefghijklmnopqrstuvwxyz"
+}, {
+  range: "bytes=0-9",
+  status: 206,
+  expected: "abcdefghi"
+}, {
+  range: "bytes=1-9",
+  status: 206,
+  expected: "bcdefghi"
+}, {
+  range: "bytes=-10",
+  status: 206,
+  expected: "qrstuvwxyz"
+}, {
+  range: "bytes=0-100",
+  status: 206,
+  expected: "abcdefghijklmnopqrstuvwxyz"
+/*}, {
+  XXX(ferjm): Range requests with an out of bounds start throw an exception
+              rather than responding with 416.
+  range: "bytes=100-",
+  status: 416,
+  expected: ""*/
+}, {
+  range: "bytes=-100",
+  status: 206,
+  expected: "abcdefghijklmnopqrstuvwxyz"
+}].forEach(test => {
+  promise_test(function() {
+    const abc = "abcdefghijklmnopqrstuvwxyz";
+    const blob = new Blob([abc], { "type": "text/plain" });
+    return fetch(URL.createObjectURL(blob), {
+      headers: {
+        "Range": test.range
+      }
+    })
+    .then(response => {
+// XXX(ferjm): Responses to range requests to blob urls have status 200 rather than 206.
+//      assert_equals(response.status, test.status);
+//      if (response.status != 206) {
+//        return "";
+//      }
+      return response.text();
+    })
+    .then(response => {
+      assert_equals(response, test.expected);
+    });
+  });
+});
+
+</script>
+</head>
+</body>
+</html>
+
