Starts fixing up integration tests

src/Umbraco.Web.Common/AspNetCore/AspNetCoreHostingEnvironment.cs

@@ -89,7 +89,7 @@ namespace Umbraco.Web.Common.AspNetCore
         public string ToAbsolute(string virtualPath)
         {
             if (!virtualPath.StartsWith("~/") && !virtualPath.StartsWith("/"))
-                throw new InvalidOperationException($"{nameof(virtualPath)} must start with ~/ or /");
+                throw new InvalidOperationException($"The value {virtualPath} for parameter {nameof(virtualPath)} must start with ~/ or /");
 
             // will occur if it starts with "/"
             if (Uri.IsWellFormedUriString(virtualPath, UriKind.Absolute))

src/Umbraco.Web.Common/RuntimeMinification/SmidgeComposer.cs

@@ -9,6 +9,11 @@ namespace Umbraco.Web.Common.RuntimeMinification
     {
         public void Compose(Composition composition)
         {
+
+            // TODO: For this to work we need to have services.AddSmidge() based on the Smidge APIs but our composer APIs don't really let us do that
+            // This makes it a bit awkward to boot the runtime since that call would need to be made outside of the composer... .hrm...
+
+
             composition.RegisterUnique<IRuntimeMinifier, SmidgeRuntimeMinifier>();
             composition.RegisterUnique<SmidgeHelperAccessor>();
         }