diff --git a/static_src/elements/framework/dialogs/mr-issue-hotlists-action/mr-issue-hotlists-dialog.test.js b/static_src/elements/framework/dialogs/mr-issue-hotlists-action/mr-issue-hotlists-dialog.test.js
new file mode 100644
index 0000000..911c1a0
--- /dev/null
+++ b/static_src/elements/framework/dialogs/mr-issue-hotlists-action/mr-issue-hotlists-dialog.test.js
@@ -0,0 +1,78 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import {assert} from 'chai';
+import {MrIssueHotlistsDialog} from './mr-issue-hotlists-dialog.js';
+
+let element;
+const EXAMPLE_USER_HOTLISTS = [
+  {name: 'Hotlist-1'},
+  {name: 'Hotlist-2'},
+  {name: 'ac-apple-1'},
+  {name: 'ac-frita-1'},
+];
+
+describe('mr-issue-hotlists-dialog', () => {
+  beforeEach(async () => {
+    element = document.createElement('mr-issue-hotlists-dialog');
+    document.body.appendChild(element);
+
+    await element.updateComplete;
+  });
+
+  afterEach(() => {
+    document.body.removeChild(element);
+  });
+
+  it('initializes', () => {
+    assert.instanceOf(element, MrIssueHotlistsDialog);
+    assert.include(element.shadowRoot.innerHTML, 'Dialog elements below');
+  });
+
+  it('filters hotlists', async () => {
+    element.userHotlists = EXAMPLE_USER_HOTLISTS;
+    element.open();
+    await element.updateComplete;
+
+    const initialHotlists = element.shadowRoot.querySelectorAll('.hotlist');
+    assert.equal(initialHotlists.length, 4);
+    const filterInput = element.shadowRoot.querySelector('#filter');
+    filterInput.value = 'list';
+    element.filterHotlists();
+    await element.updateComplete;
+    let visibleHotlists =
+        element.shadowRoot.querySelectorAll('.hotlist');
+    assert.equal(visibleHotlists.length, 2);
+
+    filterInput.value = '2';
+    element.filterHotlists();
+    await element.updateComplete;
+    visibleHotlists =
+        element.shadowRoot.querySelectorAll('.hotlist');
+    assert.equal(visibleHotlists.length, 1);
+  });
+
+  it('resets filter on open', async () => {
+    element.userHotlists = EXAMPLE_USER_HOTLISTS;
+    element.open();
+    await element.updateComplete;
+
+    const filterInput = element.shadowRoot.querySelector('#filter');
+    filterInput.value = 'ac';
+    element.filterHotlists();
+    await element.updateComplete;
+    let visibleHotlists =
+        element.shadowRoot.querySelectorAll('.hotlist');
+    assert.equal(visibleHotlists.length, 2);
+
+    element.close();
+    element.open();
+    await element.updateComplete;
+
+    assert.equal(filterInput.value, '');
+    visibleHotlists =
+        element.shadowRoot.querySelectorAll('.hotlist');
+    assert.equal(visibleHotlists.length, 4);
+  });
+});