diff --git a/Octokit.Tests.Integration/Clients/RepositoryCollaboratorClientTests.cs b/Octokit.Tests.Integration/Clients/RepositoryCollaboratorClientTests.cs
new file mode 100644
index 00000000..fd2767e6
--- /dev/null
+++ b/Octokit.Tests.Integration/Clients/RepositoryCollaboratorClientTests.cs
@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Octokit;
+using Octokit.Tests.Integration;
+using Xunit;
+using Octokit.Tests.Integration.Helpers;
+
+public class RepositoryCollaboratorClientTests
+{
+    public class TheGetAllMethod
+    {
+        [IntegrationTest]
+        public async Task ReturnsAllCollaborators()
+        {
+            var github = Helper.GetAuthenticatedClient();
+            var repoName = Helper.MakeNameWithTimestamp("public-repo");
+
+            using (var context = await github.CreateRepositoryContext(new NewRepository(repoName)))
+            {
+                var fixture = github.Repository.Collaborator;
+
+                // add a collaborator
+                await fixture.Add(context.RepositoryOwner, context.RepositoryName, "m-zuber-octokit-integration-tests");
+
+                var collaborators = await fixture.GetAll(context.RepositoryOwner, context.RepositoryName);
+                Assert.NotNull(collaborators);
+                Assert.Equal(2, collaborators.Count);
+            }
+
+        }
+    }
+
+    public class TheIsCollaboratorMethod
+    {
+        [IntegrationTest]
+        public async Task ReturnsTrueIfUserIsCollaborator()
+        {
+            var github = Helper.GetAuthenticatedClient();
+            var repoName = Helper.MakeNameWithTimestamp("public-repo");
+
+            using (var context = await github.CreateRepositoryContext(new NewRepository(repoName)))
+            {
+                var fixture = github.Repository.Collaborator;
+
+                // add a collaborator
+                fixture.Add(context.RepositoryOwner, context.RepositoryName, "m-zuber-octokit-integration-tests");
+
+                var isCollab = await fixture.IsCollaborator(context.RepositoryOwner, context.RepositoryName, "m-zuber-octokit-integration-tests");
+
+                Assert.True(isCollab);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj b/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
index 73eb4124..0f8192e9 100644
--- a/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
+++ b/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
@@ -129,6 +129,7 @@
     <Compile Include="Reactive\ObservableUserEmailsClientTests.cs" />
     <Compile Include="Reactive\ObservableTeamsClientTests.cs" />
     <Compile Include="RedirectTests.cs" />
+    <Compile Include="Clients\RepositoryCollaboratorClientTests.cs" />
     <Compile Include="SelfTests.cs" />
   </ItemGroup>
   <ItemGroup>