function requireVideoProvider(id: string): VideoGenerationProviderPlugin {

const provider = getVideoGenerationProvider(id);

expect(provider).toBeDefined();

if (!provider) {

throw new Error(`expected video generation provider ${id}`);

}

index: number,

): NonNullable<(typeof result.attempts)[number]> {

const attempt = result.attempts[index];

expect(attempt).toBeDefined();

if (!attempt) {

throw new Error(`expected video generation attempt ${index}`);

}