public async Task CredentialsFileCreatedAndDeletedTest() { CredentialsRepository credentialsRepository = new CredentialsRepository(); var credentials = new Credentials { UserName = "******", Password = "******" }; await credentialsRepository.SaveCredentialsAsync(credentials).ConfigureAwait(false); Assert.IsTrue(System.IO.File.Exists(_filePath)); credentialsRepository.Dispose(); Assert.IsFalse(System.IO.File.Exists(_filePath)); }