wireup delete API

Octokit.Tests.Integration/Clients/UserEmailsClientTests.cs

@@ -1,4 +1,4 @@
-using System.Net.Http.Headers;
+using System.Linq;
 using System.Threading.Tasks;
 using Xunit;
 
@@ -17,5 +17,26 @@ namespace Octokit.Tests.Integration.Clients
             var emails = await github.User.Email.GetAll();
             Assert.NotEmpty(emails);
         }
+
+        const string testEmailAddress = "hahaha-not-a-real-email@foo.com";
+
+        [IntegrationTest]
+        public async Task CanAddAndDeleteEmail()
+        {
+            var github = new GitHubClient(new ProductHeaderValue("OctokitTests"))
+            {
+                Credentials = Helper.Credentials
+            };
+
+            await github.User.Email.Add(testEmailAddress);
+
+            var emails = await github.User.Email.GetAll();
+            Assert.Contains(testEmailAddress, emails.Select(x => x.Email));
+
+            await github.User.Email.Delete(testEmailAddress);
+
+            emails = await github.User.Email.GetAll();
+            Assert.DoesNotContain(testEmailAddress, emails.Select(x => x.Email));
+        }
     }
 }