diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 2d83d384e56..da21d1cce9d 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -657659,7 +657659,7 @@
    "testharness"
   ],
   "html/semantics/forms/the-input-element/number.html": [
-   "64868f02efca707cfe88a51e9bd91574dfbcaad9",
+   "7d93f208985d305d46324d0ecf34e8c4ff2ad361",
    "testharness"
   ],
   "html/semantics/forms/the-input-element/password.html": [
diff --git a/tests/wpt/web-platform-tests/html/semantics/forms/the-input-element/number.html b/tests/wpt/web-platform-tests/html/semantics/forms/the-input-element/number.html
index 64868f02efc..7d93f208985 100644
--- a/tests/wpt/web-platform-tests/html/semantics/forms/the-input-element/number.html
+++ b/tests/wpt/web-platform-tests/html/semantics/forms/the-input-element/number.html
@@ -35,7 +35,11 @@
     {value: "+1", expected: "", testname: "value = +1"},
     {value: "+", expected: "", testname: "value = '+'"},
     {value: "-", expected: "", testname: "value = '-'"},
-    {value: " 1", expected: "", testname: "value with a leading whitespace"},
+    {value: "\t1", expected: "", testname: "value with a leading tab"},
+    {value: "\n1", expected: "", testname: "value with a leading newline"},
+    {value: "\f1", expected: "", testname: "value with a leading form feed"},
+    {value: "\r1", expected: "", testname: "value with a leading carriage return"},
+    {value: " 1", expected: "", testname: "value with a leading space"},
     {value: "1trailing junk", expected: "", testname: "value = 1trailing junk"}
   ];
   for (var i = 0; i < numbers.length; i++) {