refactor: colocate frontend component files

packages/ui/src/EntryCard/EntryCard.test.tsx

@@ -0,0 +1,35 @@
+import { MantineProvider } from "@mantine/core";
+import { fireEvent, render, screen } from "@testing-library/react";
+import { assert, describe, expect, it } from "vitest";
+import { EntryCard } from "./EntryCard";
+
+describe("EntryCard", () => {
+	it("keeps the fallback after an image fails", () => {
+		const props = {
+			title: "Пример",
+			metadata: "Описание",
+			initial: "У",
+			value: "—",
+			valueLabel: "Неизвестно",
+			tone: "neutral" as const,
+			imageSrc: "data:image/png;base64,invalid",
+		};
+		const { container, rerender } = render(
+			<MantineProvider>
+				<EntryCard {...props} />
+			</MantineProvider>,
+		);
+		// Decorative image has no accessible name; trigger its actual failure event.
+		const image = container.querySelector("img");
+		assert(image);
+		fireEvent.error(image);
+		rerender(
+			<MantineProvider>
+				<EntryCard {...props} title="Обновлённый пример" />
+			</MantineProvider>,
+		);
+		expect(container.querySelector("img")).toBeNull();
+		expect(screen.getByText("У")).toBeInTheDocument();
+		expect(screen.getByText("Обновлённый пример")).toBeInTheDocument();
+	});
+});