diff --git a/e2e/dialog-horizontal-overflow.spec.ts b/e2e/dialog-horizontal-overflow.spec.ts
index 3dbbbde62..07b198b23 100644
--- a/e2e/dialog-horizontal-overflow.spec.ts
+++ b/e2e/dialog-horizontal-overflow.spec.ts
@@ -428,14 +428,23 @@ test.describe("lab-scan review dialog uses the width it is given", () => {
       await expect(rows).toHaveCount(REVIEW_ROWS.length);
 
       const label = `scan review @${vp.label}`;
-      // The sheet widens from the picking stage to the review stage and the
-      // row grid re-flows from the container width it is given. Measuring in
-      // the middle of that sees a half-laid-out row, so wait until the
-      // surface has kept the same width across two frames.
+      // The sheet widens from the picking stage to the review stage, and on a
+      // phone or small tablet it also slides up from the bottom. Measuring
+      // while either runs compares fields from different frames (the width
+      // settles before the slide ends, so waiting on width alone was not
+      // enough). Wait for every running animation and transition to finish,
+      // then for the surface to hold still across two frames.
+      await page.evaluate(() =>
+        Promise.all(
+          document
+            .getAnimations()
+            .map((animation) => animation.finished.catch(() => undefined)),
+        ),
+      );
       await expect
         .poll(
           async () => {
-            const before = (await surface.boundingBox())!.width;
+            const before = (await surface.boundingBox())!;
             await page.evaluate(
               () =>
                 new Promise<void>((resolve) =>
@@ -444,10 +453,13 @@ test.describe("lab-scan review dialog uses the width it is given", () => {
                   ),
                 ),
             );
-            const after = (await surface.boundingBox())!.width;
-            return Math.abs(after - before);
+            const after = (await surface.boundingBox())!;
+            return (
+              Math.abs(after.width - before.width) +
+              Math.abs(after.y - before.y)
+            );
           },
-          { message: `${label}: dialog width settles` },
+          { message: `${label}: dialog settles` },
         )
         .toBeLessThan(0.5);
       await expectNoSidewaysScroll(page, label);