chore: save pending changes

src/entities/bank-card/ui/BankCardForm.test.tsx

@@ -14,6 +14,7 @@ const card: BankCard = {
 	name: "Основная",
 	bankName: "Банк",
 	lastFour: "1234",
+	paymentSystem: null,
 	openingBalance: { currency: "RUB", value: "100" },
 	balance: { currency: "RUB", value: "50" },
 	openingDate: "2026-01-01",
@@ -62,8 +63,30 @@ describe("BankCardForm", () => {
 			name: "Основная",
 			bankName: null,
 			lastFour: null,
+			paymentSystem: null,
 		});
 	});
+	it("loads and saves the selected payment system", async () => {
+		const close = setup({ ...card, paymentSystem: "mir" });
+		expect(
+			screen.getByRole("combobox", { name: /Платёжная система/ }),
+		).toHaveValue("МИР");
+		fireEvent.click(
+			screen.getByRole("combobox", { name: /Платёжная система/ }),
+		);
+		fireEvent.click(await screen.findByRole("option", { name: "Visa" }));
+		let body: unknown;
+		server.use(
+			http.patch("*/api/v1/bank-cards/a", async ({ request }) => {
+				body = await request.json();
+				return HttpResponse.json({ ...card, paymentSystem: "visa" });
+			}),
+		);
+		fireEvent.click(screen.getByRole("button", { name: "Сохранить" }));
+		await waitFor(() => expect(close).toHaveBeenCalled());
+		expect(body).toMatchObject({ paymentSystem: "visa" });
+	});
+
 	it("retains an invalid opening date draft and explains conflict with saved history", async () => {
 		const close = setup(card);
 		fireEvent.change(screen.getByLabelText(/Дата начала/), {