diff --git a/frontend_tests/node_tests/activity.js b/frontend_tests/node_tests/activity.js
index 6bce79e38b..9924bcee5d 100644
--- a/frontend_tests/node_tests/activity.js
+++ b/frontend_tests/node_tests/activity.js
@@ -1,11 +1,4 @@
-set_global('$', function () {
-    return {
-        on: function () {
-            return;
-        }
-    };
-});
-$.fn = {};
+global.stub_out_jquery();
 
 add_dependencies({
     util: 'js/util.js',
diff --git a/frontend_tests/node_tests/echo.js b/frontend_tests/node_tests/echo.js
index 1ccdec61f7..d3c6582060 100644
--- a/frontend_tests/node_tests/echo.js
+++ b/frontend_tests/node_tests/echo.js
@@ -2,13 +2,7 @@
 var path = require('path');
 var fs = require('fs');
 
-set_global('$', function () {
-    return {
-        on: function () {
-            return;
-        }
-    };
-});
+global.stub_out_jquery();
 
 set_global('page_params', {realm_emoji: {
   burrito: {display_url: '/static/third/gemoji/images/emoji/burrito.png',
diff --git a/frontend_tests/node_tests/message_list.js b/frontend_tests/node_tests/message_list.js
index 1d895d6212..ba7f472fc1 100644
--- a/frontend_tests/node_tests/message_list.js
+++ b/frontend_tests/node_tests/message_list.js
@@ -10,12 +10,8 @@ add_dependencies({
 
 
 set_global('document', null);
-set_global('$', function () {
-    return {
-        on: function () {},
-        trigger: function () {}
-    };
-});
+
+global.stub_out_jquery();
 
 set_global('feature_flags', {});
 set_global('Filter', function () {});
diff --git a/frontend_tests/node_tests/people.js b/frontend_tests/node_tests/people.js
index 9ff9b32099..2e622a9a44 100644
--- a/frontend_tests/node_tests/people.js
+++ b/frontend_tests/node_tests/people.js
@@ -2,13 +2,7 @@ add_dependencies({
     util: 'js/util.js'
 });
 
-set_global('$', function () {
-    return {
-        on: function () {
-            return;
-        }
-    };
-});
+global.stub_out_jquery();
 
 var people = require("js/people.js");
 
diff --git a/frontend_tests/node_tests/presence_list_performance.js b/frontend_tests/node_tests/presence_list_performance.js
index 80defe1ed4..9512a20174 100644
--- a/frontend_tests/node_tests/presence_list_performance.js
+++ b/frontend_tests/node_tests/presence_list_performance.js
@@ -1,12 +1,5 @@
 // TODO: de-dup with activity.js
-set_global('$', function () {
-    return {
-        on: function () {
-            return;
-        }
-    };
-});
-$.fn = {};
+global.stub_out_jquery();
 
 set_global('document', {
     hasFocus: function () {
diff --git a/frontend_tests/node_tests/server_events.js b/frontend_tests/node_tests/server_events.js
index 2f27ce6674..e8e0dce289 100644
--- a/frontend_tests/node_tests/server_events.js
+++ b/frontend_tests/node_tests/server_events.js
@@ -11,13 +11,8 @@ set_global('document', {});
 set_global('window', {
     addEventListener: noop
 });
-set_global('$', function () {
-    return {
-        hide: noop,
-        trigger: noop
-    };
-});
-global.$.now = noop;
+
+global.stub_out_jquery();
 
 // Prevent the get_events loop and watchdog from running
 patch_builtin('setTimeout', noop);
diff --git a/frontend_tests/node_tests/stream_color.js b/frontend_tests/node_tests/stream_color.js
index a378c03b09..f499c59851 100644
--- a/frontend_tests/node_tests/stream_color.js
+++ b/frontend_tests/node_tests/stream_color.js
@@ -1,4 +1,4 @@
-set_global('$', function (f) {});
+global.stub_out_jquery();
 
 var stream_color = require('js/stream_color.js');
 
diff --git a/frontend_tests/node_tests/stream_list.js b/frontend_tests/node_tests/stream_list.js
index b63a86a2b8..9d7257b366 100644
--- a/frontend_tests/node_tests/stream_list.js
+++ b/frontend_tests/node_tests/stream_list.js
@@ -1,4 +1,4 @@
-set_global('$', function () {});
+global.stub_out_jquery();
 
 add_dependencies({
     Handlebars: 'handlebars',
diff --git a/frontend_tests/zjsunit/index.js b/frontend_tests/zjsunit/index.js
index 0d6b1b2e41..a04e3b54c3 100644
--- a/frontend_tests/zjsunit/index.js
+++ b/frontend_tests/zjsunit/index.js
@@ -17,6 +17,7 @@ var namespace = require('./namespace.js');
 global.set_global = namespace.set_global;
 global.patch_builtin = namespace.patch_builtin;
 global.add_dependencies = namespace.add_dependencies;
+global.stub_out_jquery = namespace.stub_out_jquery;
 
 // Set up helpers to render templates.
 var render = require('./render.js');
diff --git a/frontend_tests/zjsunit/namespace.js b/frontend_tests/zjsunit/namespace.js
index 82b5ab8fb0..0efcaf9631 100644
--- a/frontend_tests/zjsunit/namespace.js
+++ b/frontend_tests/zjsunit/namespace.js
@@ -39,6 +39,18 @@ exports.restore = function () {
     old_builtins = {};
 };
 
+exports.stub_out_jquery = function () {
+    set_global('$', function () {
+        return {
+            on: function () {},
+            trigger: function () {},
+            hide: function () {}
+        };
+    });
+    $.fn = {};
+    $.now = function () {};
+};
+
 return exports;
 }());
 module.exports = namespace;