fix stepping-06 frame timeline expectation to 100% on all platforms (#10645)

Author: michaelfward

packages/e2e-tests/tests/stepping-06.test.ts

@@ -35,8 +35,7 @@ test(`stepping-06: Test stepping in async frames and async call stacks`, async (
   await selectFrame(page, 3);
   await waitForFrameTimeline(page, "71%");
   await selectFrame(page, 4);
-  // linux produces 100%, mac arm64 produces 0%
-  await waitForFrameTimeline(page, process.platform === "linux" ? "100%" : "0%");
+  await waitForFrameTimeline(page, "100%");
   await selectFrame(page, 0);
   await stepOverToLine(page, 20);
   await stepOverToLine(page, 21);