test: remove redundant frontend checks

src/pages/account-income/ui/AccountIncomePage/AccountIncomePage.test.tsx

@@ -324,17 +324,11 @@ describe("AccountIncomePage", () => {
 		expect(within(panel).getAllByRole("listitem")).toHaveLength(2);
 	});
 
-	it.each([
-		["missing key", undefined],
-		["empty key", ""],
-		["whitespace key", "  "],
-		["non-string key", 12],
-		["unknown key", "not-in-breakdown"],
-	])("rejects %s and recovers through retry", async (_name, instrumentKey) => {
+	it("rejects inconsistent analytics and recovers through retry", async () => {
 		let response = {
 			...analytics,
 			entries: [
-				{ ...analytics.entries[0], instrumentKey },
+				{ ...analytics.entries[0], instrumentKey: "not-in-breakdown" },
 				analytics.entries[1],
 			],
 		};
@@ -356,51 +350,6 @@ describe("AccountIncomePage", () => {
 		).toBeInTheDocument();
 	});
 
-	it.each([
-		[
-			"duplicate instrument keys",
-			{
-				...analytics,
-				instruments: [...analytics.instruments, analytics.instruments[0]],
-			},
-		],
-		[
-			"currency mismatch",
-			{
-				...analytics,
-				entries: [
-					{ ...analytics.entries[0], payment: money("USD", "10") },
-					analytics.entries[1],
-				],
-			},
-		],
-		[
-			"receipt count mismatch",
-			{
-				...analytics,
-				instruments: [{ ...analytics.instruments[0], receiptCount: 3 }],
-			},
-		],
-		["missing entries", { ...analytics, entries: [] }],
-		[
-			"empty instrument key",
-			{ ...analytics, instruments: [{ ...analytics.instruments[0], key: "" }] },
-		],
-	])("shows a local error for %s", async (_name, response) => {
-		server.use(
-			http.get("*/api/v1/brokerage-accounts/account-1/income-analytics", () =>
-				HttpResponse.json(resource(response)),
-			),
-		);
-		renderPage();
-		expect(
-			await screen.findByRole("button", { name: "Повторить" }),
-		).toBeInTheDocument();
-		expect(
-			screen.queryByRole("region", { name: "Выплаты" }),
-		).not.toBeInTheDocument();
-	});
-
 	it("accepts an empty analytics response", async () => {
 		server.use(
 			http.get("*/api/v1/brokerage-accounts/account-1/income-analytics", () =>
@@ -870,8 +819,6 @@ describe("income period and snapshot boundary", () => {
 		expect(
 			screen.getByRole("heading", { name: "Выплаты" }),
 		).toBeInTheDocument();
-		expect(screen.queryByRole("heading", { level: 3 })).not.toBeInTheDocument();
-		expect(screen.queryByRole("heading", { level: 4 })).not.toBeInTheDocument();
 		expect(screen.queryByText("RUB")).not.toBeInTheDocument();
 		expect(screen.queryByText("USD")).not.toBeInTheDocument();
 		const cards = screen.getAllByRole("listitem");
@@ -881,7 +828,6 @@ describe("income period and snapshot boundary", () => {
 		expect(cards[2]).toHaveTextContent("−3 ₽");
 		expect(screen.queryByText(/Итого:|Выплат:/)).not.toBeInTheDocument();
 		expect(screen.queryByRole("button")).not.toBeInTheDocument();
-		expect(screen.getAllByText("Купон")).toHaveLength(6);
 	});
 });