Fix platform test project

Ooui/UI.cs

@@ -69,6 +69,8 @@ namespace Ooui
             //     System.Console.WriteLine("  {0}", n);
             // }
             using (var s = asm.GetManifestResourceStream ("Ooui.Client.js")) {
+				if (s == null)
+					throw new Exception ("Missing Client.js");
                 using (var r = new StreamReader (s)) {
                     clientJsBytes = Encoding.UTF8.GetBytes (r.ReadToEnd ());
                 }

PlatformTests/iOSTests/iOSTests.csproj

@@ -202,5 +202,11 @@
       <Link>Tests\UITests.cs</Link>
     </Compile>
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="..\..\Ooui\Client.js">
+      <Link>Client.js</Link>
+      <LogicalName>Ooui.Client.js</LogicalName>
+    </EmbeddedResource>
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
 </Project>