xunit web server collection

test/isnd.tests/WebServerCollection.cs

@@ -0,0 +1,11 @@
+using Xunit;
+
+namespace isnd.tests
+{
+    public class WebServerCollection : ICollectionFixture<WebServerFixture>
+    {
+        // This class has no code, and is never created. Its purpose is simply
+        // to be the place to apply [CollectionDefinition] and all the
+        // ICollectionFixture<> interfaces.
+    }
+}