refactor: simplify errors and focus tests

src/entities/portfolio/api/usePortfolio.test.tsx

@@ -1,66 +0,0 @@
-import { renderHook, waitFor } from "@testing-library/react";
-import { http, HttpResponse } from "msw";
-import { describe, expect, it, vi } from "vitest";
-
-import { configureAuthClient } from "@/shared/api";
-import { createQueryWrapper } from "@/test/query";
-import { resource } from "@/test/resource";
-import { server } from "@/test/server";
-
-import { usePortfolio } from "./usePortfolio";
-
-describe("usePortfolio", () => {
-	it("loads the account portfolio", async () => {
-		configureAuthClient({
-			accessToken: () => "token",
-			clear: vi.fn(),
-			refresh: () => Promise.resolve(true),
-		});
-
-		const { result } = renderHook(() => usePortfolio("account-1"), {
-			wrapper: createQueryWrapper().wrapper,
-		});
-
-		await waitFor(() => expect(result.current.isSuccess).toBe(true));
-		expect(result.current.data).toMatchObject({ positions: [] });
-	});
-
-	it("keeps the current connection snapshot after a background refetch error", async () => {
-		configureAuthClient({
-			accessToken: () => "token",
-			clear: vi.fn(),
-			refresh: () => Promise.resolve(true),
-		});
-		let calls = 0;
-		server.use(
-			http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () => {
-				calls += 1;
-
-				return calls === 1
-					? HttpResponse.json(
-							resource({
-								cashBalances: [],
-								isStale: false,
-								lastSuccessfulAt: "2026-08-14T00:00:00Z",
-								positions: [],
-								structure: { currencies: [], unvaluedCategories: [] },
-								totalsByCurrency: [],
-							}),
-						)
-					: HttpResponse.json({ code: "TBANK_UNAVAILABLE" }, { status: 503 });
-			}),
-		);
-
-		const { result } = renderHook(() => usePortfolio("account-1"), {
-			wrapper: createQueryWrapper().wrapper,
-		});
-
-		await waitFor(() => expect(result.current.isSuccess).toBe(true));
-		void result.current.refetch();
-		await waitFor(() => expect(result.current.isError).toBe(true));
-
-		expect(result.current.data).toMatchObject({
-			lastSuccessfulAt: "2026-08-14T00:00:00Z",
-		});
-	});
-});