diff --git a/Octokit.Tests/Clients/RepositoryHooksClientTest.cs b/Octokit.Tests/Clients/RepositoryHooksClientTest.cs
index 212403e3..c94dc0a4 100644
--- a/Octokit.Tests/Clients/RepositoryHooksClientTest.cs
+++ b/Octokit.Tests/Clients/RepositoryHooksClientTest.cs
@@ -128,7 +128,6 @@ namespace Octokit.Tests.Clients
             }
         }
 
-
         public class TheTestMethod
         {
             [Fact]
@@ -139,7 +138,7 @@ namespace Octokit.Tests.Clients
 
                 client.Hooks.Test("fake", "repo", 12345678);
 
-                connection.Received().Post<RepositoryHook>(Arg.Is<Uri>(u => u.ToString() == "repos/fake/repo/hooks/12345678/tests"), null);
+                connection.Received().Post<TestRepositoryHook>(Arg.Is<Uri>(u => u.ToString() == "repos/fake/repo/hooks/12345678/tests"), Arg.Any<TestRepositoryHook>());
             }
 
             [Fact]
@@ -159,7 +158,7 @@ namespace Octokit.Tests.Clients
 
                 client.Hooks.Test("owner", "repo", 12345678);
 
-                connection.Received().Post<RepositoryHook>(Arg.Any<Uri>(), Arg.Is<object>(o => o == null));
+                connection.Received().Post<TestRepositoryHook>(Arg.Any<Uri>(), Arg.Any<TestRepositoryHook>());
             }
         }
 
diff --git a/Octokit/Clients/RepositoryHooksClient.cs b/Octokit/Clients/RepositoryHooksClient.cs
index a508e124..89710f41 100644
--- a/Octokit/Clients/RepositoryHooksClient.cs
+++ b/Octokit/Clients/RepositoryHooksClient.cs
@@ -80,12 +80,10 @@ namespace Octokit
         /// <returns></returns>
         public Task Test(string owner, string repositoryName, int hookId)
         {
-            throw new NotImplementedException();
+            Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
+            Ensure.ArgumentNotNullOrEmptyString(repositoryName, "repositoryName");
 
-            //Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
-            //Ensure.ArgumentNotNullOrEmptyString(repositoryName, "repositoryName");
-
-            //return ApiConnection.Post<object>(ApiUrls.RepositoryHookTest(owner, repositoryName, hookId), null);
+            return ApiConnection.Post<TestRepositoryHook>(ApiUrls.RepositoryHookTest(owner, repositoryName, hookId), new TestRepositoryHook());
         }
 
         /// <summary>
diff --git a/Octokit/Models/Request/TestRepositoryHook.cs b/Octokit/Models/Request/TestRepositoryHook.cs
new file mode 100644
index 00000000..f04f1f70
--- /dev/null
+++ b/Octokit/Models/Request/TestRepositoryHook.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Octokit
+{
+    public class TestRepositoryHook
+    {
+    }
+}
diff --git a/Octokit/Octokit.csproj b/Octokit/Octokit.csproj
index a1e23c54..1d968537 100644
--- a/Octokit/Octokit.csproj
+++ b/Octokit/Octokit.csproj
@@ -69,6 +69,7 @@
     <Compile Include="Models\Request\NewMilestone.cs" />
     <Compile Include="Models\Request\NewRepositoryHook.cs" />
     <Compile Include="Models\Request\RequestParameters.cs" />
+    <Compile Include="Models\Request\TestRepositoryHook.cs" />
     <Compile Include="Models\Response\CommitStatus.cs" />
     <Compile Include="Models\Response\Issue.cs" />
     <Compile Include="Models\Request\IssueRequest.cs" />