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-rw-r--r--dom/l10n/tests/mochitest/document_l10n/test_docl10n_ready_rejected.html11
1 files changed, 8 insertions, 3 deletions
diff --git a/dom/l10n/tests/mochitest/document_l10n/test_docl10n_ready_rejected.html b/dom/l10n/tests/mochitest/document_l10n/test_docl10n_ready_rejected.html
index 63e18f802c..a80a4b6d94 100644
--- a/dom/l10n/tests/mochitest/document_l10n/test_docl10n_ready_rejected.html
+++ b/dom/l10n/tests/mochitest/document_l10n/test_docl10n_ready_rejected.html
@@ -12,12 +12,17 @@
document.addEventListener("DOMContentLoaded", async function() {
/**
- * Even when we fail to localize all elements, we will
- * still resolve the `ready` promise to communicate that
+ * Outside of tests, even when we fail to localize all elements,
+ * we will still resolve the `ready` promise to communicate that
* the initial translation phase is now completed.
+ *
+ * In tests, the promise will be rejected to allow errors to be caught.
*/
document.l10n.ready.then(() => {
- is(1, 1, "the ready should resolve");
+ is(1, 2, "the ready should not resolve");
+ SimpleTest.finish();
+ }, (_err) => {
+ is(1, 1, "the ready should reject");
SimpleTest.finish();
});
});