Creates a React component that renders the provided routes in a test-friendly React Router context.
Use this to unit test components that rely on router context, such as
loaderData, actionData, and route matches.
function createRoutesStub(
routes: StubRouteObject[],
_context?: RouterContextProvider,
)
The route objects to render in the test router.
An optional RouterContextProvider for supplying application context values to route middleware, loaders, and actions.
A React component that renders the test router.