1 files changed, 13 insertions, 0 deletions
diff --git a/devtools/client/shared/test-helpers/jest-fixtures/devtools-utils.js b/devtools/client/shared/test-helpers/jest-fixtures/devtools-utils.js
new file mode 100644
index 0000000000..baa0647728
--- /dev/null
+++ b/devtools/client/shared/test-helpers/jest-fixtures/devtools-utils.js
@@ -0,0 +1,13 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+"use strict";
+
+module.exports = {
+  getTopWindow(win) {
+    return win.top;
+  },
+  defineLazyGetter() {},
+  makeInfallible: fn => fn,
+};