public async Task LogOut()
{
//Arrange
IReadOnlyList <Repository> visibleRepositoryList;
//Act
RepositoryPage.TapSettingsButton();
//Assert
Assert.AreEqual(GitHubLoginButtonConstants.Disconnect, SettingsPage.GitHubButtonText);
//Act
SettingsPage.TapGitHubButton();
SettingsPage.WaitForGitHubLogoutToComplete();
//Assert
Assert.AreEqual(GitHubLoginButtonConstants.ConnectWithGitHub, SettingsPage.GitHubButtonText);
//Act
SettingsPage.TapBackButton();
RepositoryPage.DeclineGitHubUserNotFoundPopup();
RepositoryPage.TriggerPullToRefresh();
await RepositoryPage.WaitForNoPullToRefresh().ConfigureAwait(false);
//Assert
visibleRepositoryList = RepositoryPage.GetVisibleRepositoryList();
Assert.IsFalse(visibleRepositoryList.Any());
}