Bug 1897564 - Add fuzzing test case to BucketFS crashtest suite. r=dom-storage-reviewers,janv

The test case is triggered on Linux and seems to always pass on Windows.

Differential Revision: https://phabricator.services.mozilla.com/D227211

Author: jjjalkanen

dom/fs/test/crashtests/1897564.html

@@ -0,0 +1,11 @@
+<script>
+window.addEventListener("DOMContentLoaded", async () => {
+  let dir = await self.navigator.storage.getDirectory()
+  let a = await dir.getDirectoryHandle("478b0f5c-9abb-48d9-beb1-7e6aae189df7", {"create": true})
+  let b = await a.getFileHandle("9e643bcf-9f9e-4b35-9fec-e3285020b150", {"create": true})
+  let c = await b.createWritable({ })
+  await c.write("a")
+  await a.move(dir, "ó ²¾*")
+  await a.removeEntry("9e643bcf-9f9e-4b35-9fec-e3285020b150", { })
+})
+</script>

dom/fs/test/crashtests/crashtests.list

@@ -11,3 +11,5 @@ HTTP load 1844619.html
 HTTP load 1858820.html
 load 1874334.html
 HTTP load 1874334-2.html
+# To be enabled together with the code changes
+# load 1897564.html