diff --git a/web/tests/markdown.test.js b/web/tests/markdown.test.js
index 1f5a87dd2c..b6f29c42d1 100644
--- a/web/tests/markdown.test.js
+++ b/web/tests/markdown.test.js
@@ -2,6 +2,8 @@
 
 const assert = require("node:assert/strict");
 
+const katex = require("katex");
+
 const markdown_test_cases = require("../../zerver/tests/fixtures/markdown_test_cases");
 
 const markdown_assert = require("./lib/markdown_assert");
@@ -1047,12 +1049,10 @@ test("missing unicode emojis", ({override}) => {
     assert.equal(message.content, "<p>\u{1F6B2}</p>");
 });
 
-test("katex_throws_unexpected_exceptions", ({override_rewire}) => {
+test("katex_throws_unexpected_exceptions", ({override}) => {
     const message = {raw_content: "$$a$$"};
-    override_rewire(markdown, "katex", {
-        renderToString() {
-            throw new Error("some-exception");
-        },
+    override(katex, "renderToString", () => {
+        throw new Error("some-exception");
     });
     assert.throws(() => markdown.render(message.raw_content), {
         name: "Error",
diff --git a/web/tests/typeahead_helper.test.js b/web/tests/typeahead_helper.test.js
index 72c6a5556d..4b315e9453 100644
--- a/web/tests/typeahead_helper.test.js
+++ b/web/tests/typeahead_helper.test.js
@@ -10,6 +10,7 @@ const stream_topic_history = mock_esm("../src/stream_topic_history");
 const settings_config = zrequire("settings_config");
 const pm_conversations = zrequire("pm_conversations");
 
+const bootstrap_typeahead = zrequire("bootstrap_typeahead");
 const recent_senders = zrequire("recent_senders");
 const peer_data = zrequire("peer_data");
 const people = zrequire("people");
@@ -1053,7 +1054,7 @@ test("sort_group_setting_options", ({override_rewire}) => {
         b_user_3.full_name,
     ]);
 
-    override_rewire(th, "MAX_ITEMS", 6);
+    override_rewire(bootstrap_typeahead, "MAX_ITEMS", 6);
     assert.deepEqual(get_group_setting_typeahead_result("Bo", second_bob_group), [
         bob_system_group.name,
         bob_group.name,