test(e2e): expect the two HRV rows in the standard report set

The standard template carries SDNN and RMSSD since the wearable leaves
landed, and the cardio group has fifteen leaves. Assert the untouched
mobility group at zero instead.

e2e/settings-export.spec.ts

@@ -149,8 +149,9 @@ test.describe("Settings → Export & Import", () => {
     await page.getByTestId("report-apply-standard-export").click();
 
     await expect(generate).toBeEnabled();
-    // Exactly the shipped set: the three classic vitals, weight and BMI, and
-    // nothing at all from the groups the template leaves alone.
+    // Exactly the shipped set: the three classic vitals, weight and BMI, the
+    // two heart-rate-variability rows, and nothing at all from the groups the
+    // template leaves alone.
     await expect(
       page.getByTestId("report-group-row-vitals-export"),
     ).toContainText("3/7");
@@ -159,7 +160,10 @@ test.describe("Settings → Export & Import", () => {
     ).toContainText("2/12");
     await expect(
       page.getByTestId("report-group-row-cardio-export"),
-    ).toContainText("0/14");
+    ).toContainText("2/15");
+    await expect(
+      page.getByTestId("report-group-row-mobility-export"),
+    ).toContainText("0/11");
     // The fenced tier is not part of any one-click set.
     await expect(
       page.getByTestId("report-scope-summary-export"),