fix(uptime): сохранить неизвестную скорость и проверить подтверждение теста

tests/e2e/uptime-links.spec.ts

@@ -763,3 +763,36 @@ test("Ping catalog: malformed initial/refresh disables replacement, recovery and
   await page.getByRole("alertdialog").getByRole("button", { name: "Отмена", exact: true }).click()
   expect(control.writes).toEqual([])
 })
+
+for (const invalid of [false, true]) {
+  test(`Speed-test: nullable POST, ноль и ${invalid ? "чужой runId" : "невалидная скорость"}`, async ({ page }) => {
+    await setup(page, "/uptime?probe=p1", 0, false, "mm:uptime:write")
+    await page.getByRole("button", { name: "Пауза", exact: true }).click()
+    await page.getByRole("button", { name: /Скорость/ }).click()
+    let calls = 0
+    let release!: () => void
+    const pending = new Promise<void>(resolve => { release = resolve })
+    await page.route("**/api/uptime/speed-test", async route => {
+      calls++
+      const { runId } = route.request().postDataJSON()
+      if (calls === 1) await pending
+      await route.fulfill({ json: { ok: true, result: { runId: calls === 2 && invalid ? "foreign-run" : runId, txAvgMbps: calls === 2 && !invalid ? "999" : null, rxAvgMbps: calls === 2 ? 999 : 0 } } })
+    })
+    const run = page.getByRole("button", { name: "Запустить", exact: true })
+    const summary = page.locator('[aria-label="Сводка speed-проб"]')
+    await run.click()
+    await expect(page.getByText("Тест выполняется…", { exact: true })).toBeVisible()
+    await expect(summary).not.toContainText("0 Мбит/с")
+    release()
+    await expect(run).toBeEnabled()
+    await expect(run.locator("xpath=../../..").getByText("Неизвестно", { exact: true })).toBeVisible()
+    await expect(run.locator("xpath=../../..").getByText("0 Мбит/с", { exact: true })).toBeVisible()
+    await expect(summary).toContainText("1 run")
+    await run.click()
+    await expect(page.getByRole("alert").filter({ hasText: "Некорректное подтверждение speed-test" })).toBeVisible()
+    await expect(run).toBeEnabled()
+    await expect(summary).toContainText("1 run")
+    await expect(summary).not.toContainText("999 Мбит/с")
+    expect(calls).toBe(2)
+  })
+}