diff --git a/test/index.html b/test/index.html
index cd238ca0a..226509123 100644
--- a/test/index.html
+++ b/test/index.html
@@ -385,6 +385,7 @@
+
diff --git a/test/stickers_test.js b/test/stickers_test.js
new file mode 100644
index 000000000..c289abf19
--- /dev/null
+++ b/test/stickers_test.js
@@ -0,0 +1,14 @@
+/* global Signal */
+
+const { Stickers } = Signal;
+
+describe('Stickers', () => {
+ describe('redactPackId', () => {
+ it('redacts pack IDs', () => {
+ assert.strictEqual(
+ Stickers.redactPackId('b9439fa5fdc8b9873fe64f01b88b8ccf'),
+ '[REDACTED]ccf'
+ );
+ });
+ });
+});