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diff --git a/dom/localstorage/test/unit/test_groupMismatch.js b/dom/localstorage/test/unit/test_groupMismatch.js
new file mode 100644
index 0000000000..46533aa2f7
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+++ b/dom/localstorage/test/unit/test_groupMismatch.js
@@ -0,0 +1,45 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/**
+ * This test is mainly to verify that metadata files with old group information
+ * get updated, so writing to local storage won't cause a crash because of null
+ * quota object. See bug 1516333.
+ */
+
+add_task(async function testSteps() {
+  const principal = getPrincipal("https://foo.bar.mozilla-iot.org");
+
+  info("Clearing");
+
+  let request = clear();
+  await requestFinished(request);
+
+  info("Installing package");
+
+  // The profile contains one initialized origin directory, a script for origin
+  // initialization and the storage database:
+  // - storage/default/https+++foo.bar.mozilla-iot.org
+  // - create_db.js
+  // - storage.sqlite
+  // The file create_db.js in the package was run locally, specifically it was
+  // temporarily added to xpcshell.ini and then executed:
+  //   mach xpcshell-test --interactive dom/localstorage/test/unit/create_db.js
+  // Note: to make it become the profile in the test, additional manual steps
+  // are needed.
+  // 1. Manually change the group in .metadata and .metadata-v2 from
+  //    "bar.mozilla-iot.org" to "mozilla-iot.org".
+  // 2. Remove the folder "storage/temporary".
+  // 3. Remove the file "storage/ls-archive.sqlite".
+  installPackage("groupMismatch_profile");
+
+  info("Getting storage");
+
+  let storage = getLocalStorage(principal);
+
+  info("Adding item");
+
+  storage.setItem("foo", "bar");
+});