gistfile1.txt

@Test 
func refreshBeers_tellsRepositoryToLoad() async throws {
    sut = BeerViewModel(repository: mockBeerRepository)
    mockBeerRepository.stubLoadBeersResponse = .success([])
    let exp = SwiftExpectation()
    mockBeerRepository.didLoadBeers = { exp.fulfill() }
    sut.refreshBeers()
    try await exp.wait()
    #expect(mockBeerRepository.loadBeersCallCount == 1)
}