test(spinner): add transform test back

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

@@ -0,0 +1,47 @@
+import { expect } from '@playwright/test';
+import { configs, test } from '@utils/test/playwright';
+
+/**
+ * This behavior does not vary across directions/modes.
+ */
+configs({ directions: ['ltr'], modes: ['md'] }).forEach(({ title, config }) => {
+  test.describe(title('spinner: transform'), () => {
+    test('should not overwrite circular animation when transform style is applied', async ({ page }, testInfo) => {
+      testInfo.annotations.push({
+        type: 'issue',
+        description: 'https://github.com/ionic-team/ionic-framework/issues/19247',
+      });
+
+      await page.setContent(
+        `
+          <style>
+            ion-spinner {
+              position: absolute;
+              left: 50%;
+              top: 50%;
+              transform: translate(-50%, -50%);
+            }
+          </style>
+
+          <ion-spinner name="circular"></ion-spinner>
+        `,
+        config
+      );
+
+      const spinner = page.locator('ion-spinner');
+
+      // Get initial position
+      const initialBox = await spinner.boundingBox();
+
+      // Wait for a few animation cycles
+      await page.waitForTimeout(500);
+
+      // Get position after the cycles
+      const finalBox = await spinner.boundingBox();
+
+      // The x and y coordinates should remain identical
+      expect(initialBox!.x).toBe(finalBox!.x);
+      expect(initialBox!.y).toBe(finalBox!.y);
+    });
+  });
+});