test(fab): skip flaky custom size test (#30463)

Co-authored-by: Brandy Smith <[email protected]>

Author: brandyscarney

core/src/components/fab/test/custom-size/fab.e2e.ts

@@ -6,7 +6,8 @@ import { configs, test, Viewports } from '@utils/test/playwright';
  */
 configs({ modes: ['ios'] }).forEach(({ title, config, screenshot }) => {
   test.describe(title('fab: custom size'), () => {
-    test('should position fabs correctly with custom sizes', async ({ page }) => {
+    // TODO(FW-6587): Remove skip once the flaky test is fixed
+    test.skip('should position fabs correctly with custom sizes', async ({ page }) => {
       await page.goto(`/src/components/fab/test/custom-size`, config);
 
       await page.setViewportSize(Viewports.tablet.landscape);