public async Task CanListLabelsForAnMilestone() { var newIssue = new NewIssue("A test issue") { Body = "A new unassigned issue" }; var newLabel = new NewLabel("test label", "FFFFFF"); var newMilestone = new NewMilestone("New Milestone"); var label = await _issuesLabelsClient.Create(_context.RepositoryOwner, _context.RepositoryName, newLabel); var issue = await _issuesClient.Create(_context.RepositoryOwner, _context.RepositoryName, newIssue); var milestone = await _issuesClient.Milestone.Create(_context.RepositoryOwner, _context.RepositoryName, newMilestone); var issueLabelsInfo = await _issuesLabelsClient.GetAllForMilestone(_context.RepositoryOwner, _context.RepositoryName, milestone.Number); Assert.Empty(issueLabelsInfo); var issueUpdate = new IssueUpdate { Milestone = milestone.Number }; issueUpdate.AddLabel(label.Name); var updated = await _issuesClient.Update(_context.RepositoryOwner, _context.RepositoryName, issue.Number, issueUpdate); Assert.NotNull(updated); issueLabelsInfo = await _issuesLabelsClient.GetAllForMilestone(_context.RepositoryOwner, _context.RepositoryName, milestone.Number); Assert.Equal(1, issueLabelsInfo.Count); Assert.Equal(label.Color, issueLabelsInfo[0].Color); }