diff --git a/ts/test-mock/messaging/sender_key_test.ts b/ts/test-mock/messaging/sender_key_test.ts
new file mode 100644
index 000000000000..95c2b680ff9d
--- /dev/null
+++ b/ts/test-mock/messaging/sender_key_test.ts
@@ -0,0 +1,93 @@
+// Copyright 2023 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import createDebug from 'debug';
+import { StorageState } from '@signalapp/mock-server';
+import type { Group } from '@signalapp/mock-server';
+
+import * as durations from '../../util/durations';
+import type { App } from '../playwright';
+import { Bootstrap } from '../bootstrap';
+
+export const debug = createDebug('mock:test:senderKey');
+
+describe('senderKey', function needsName() {
+  this.timeout(durations.MINUTE);
+
+  let bootstrap: Bootstrap;
+  let app: App;
+  let group: Group;
+
+  beforeEach(async () => {
+    bootstrap = new Bootstrap();
+    await bootstrap.init();
+
+    const { contacts, phone } = bootstrap;
+    const [first] = contacts;
+
+    group = await first.createGroup({
+      title: 'Group',
+      members: [first, phone],
+    });
+
+    let state = StorageState.getEmpty();
+
+    state = state.updateAccount({
+      profileKey: phone.profileKey.serialize(),
+      e164: phone.device.number,
+      givenName: phone.profileName,
+    });
+
+    state = state
+      .addGroup(group, {
+        whitelisted: true,
+      })
+      .pinGroup(group);
+
+    await phone.setStorageState(state);
+
+    app = await bootstrap.link();
+  });
+
+  afterEach(async function after() {
+    if (!bootstrap) {
+      return;
+    }
+
+    if (this.currentTest?.state !== 'passed') {
+      await bootstrap.saveLogs(app);
+    }
+
+    await app.close();
+    await bootstrap.teardown();
+  });
+
+  it('handles incoming senderKey distributions and messages', async () => {
+    const { desktop, contacts } = bootstrap;
+    const [first] = contacts;
+
+    const window = await app.getWindow();
+
+    const distributionId = await first.sendSenderKey(desktop, {
+      timestamp: bootstrap.getTimestamp(),
+    });
+
+    await first.sendText(desktop, 'hello', {
+      timestamp: bootstrap.getTimestamp(),
+      group,
+      distributionId,
+    });
+
+    const leftPane = window.locator('.left-pane-wrapper');
+
+    debug('Opening group');
+    await leftPane.locator(`[data-testid="${group.id}"]`).click();
+
+    const conversationStack = window.locator('.conversation-stack');
+
+    debug('Verifying message');
+    await conversationStack
+      .locator('.module-message--incoming >> "hello"')
+      .waitFor();
+  });
+});