public async Task GetUserGuidWorks()
{
var usageService = new UsageService(Substitute.For <IGitHubServiceProvider>(), environment, new JoinableTaskContext());
var guid = await usageService.GetUserGuid();
Assert.IsTrue(guid.Equals(UserGuid));
}
public async Task GetUserGuidWorksWhenFileMissing()
{
File.Delete(userFileName);
var usageService = new UsageService(Substitute.For <IGitHubServiceProvider>(), environment, new JoinableTaskContext());
var guid = await usageService.GetUserGuid();
Assert.AreNotEqual(guid, Guid.Empty);
}