Add meta timeout=long to charset-parameter test

It gets the occasional timeout failure, so this will give it more
time to run.

Fixed: 1374068
Change-Id: Id8291eb4f8797ecb84071e32657b075048c690bb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3961551
Auto-Submit: Mason Freed <masonf@chromium.org>
Reviewed-by: Joey Arhar <jarhar@chromium.org>
Commit-Queue: Joey Arhar <jarhar@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1060232}
diff --git a/mimesniff/mime-types/charset-parameter.window.js b/mimesniff/mime-types/charset-parameter.window.js
index 5dc4656..923c3a3 100644
--- a/mimesniff/mime-types/charset-parameter.window.js
+++ b/mimesniff/mime-types/charset-parameter.window.js
@@ -1,3 +1,5 @@
+// META: timeout=long
+
 promise_test(() => {
   // Don't load generated-mime-types.json as none of them are navigable
   return fetch("resources/mime-types.json").then(res => res.json().then(runTests));