refactor(elements/ino-snackbar): migrate stencil e2e tests to spec te…

…st (#1355)

Part of #1258

## Proposed Changes

- migrate left stencil e2e test to spec test

packages/elements/src/components/ino-snackbar/ino-snackbar.spec.ts

@@ -0,0 +1,30 @@
+import { newSpecPage, SpecPage } from '@stencil/core/testing';
+import { Snackbar } from './ino-snackbar';
+import { IconButton } from '../ino-icon-button/ino-icon-button';
+import { listenForEvent } from '../../util/test-utils';
+
+describe('InoSnackbar', () => {
+  let page: SpecPage;
+  let inoSnackbar: HTMLInoSnackbarElement;
+
+  beforeEach(async () => {
+    page = await newSpecPage({
+      components: [Snackbar, IconButton],
+      html: `<ino-snackbar></ino-snackbar>`,
+    });
+    inoSnackbar = page.body.querySelector('ino-snackbar');
+  });
+
+  it('should emit an actionClick event upon clicking the button', async () => {
+    const { eventSpy } = listenForEvent(page, 'actionClick');
+
+    inoSnackbar.setAttribute('action-text', 'my action');
+    await page.waitForChanges();
+    inoSnackbar
+      .querySelector<HTMLButtonElement>('.ino-snackbar-action-btn')
+      .click();
+    await page.waitForChanges();
+
+    expect(eventSpy).toHaveBeenCalled();
+  });
+});