test(spinner): migrate tests to playwright (#25259)

Author: liamdebeasi

core/src/components/spinner/test/basic/e2e.ts

@@ -0,0 +1,15 @@
+import { expect } from '@playwright/test';
+import { test } from '@utils/test/playwright';
+
+test.describe('spinner: basic', () => {
+  test.beforeEach(async ({ page }) => {
+    await page.goto('/src/components/spinner/test/basic');
+  });
+  test.describe('spinner: visual regression tests', () => {
+    test('should not have visual regressions', async ({ page }) => {
+      await page.setIonViewport();
+
+      expect(await page.screenshot()).toMatchSnapshot(`spinner-basic-diff-${page.getSnapshotSettings()}.png`);
+    });
+  });
+});