Re-enable building runtime packs

Also, sort debug output in SharedFx tests for improved readability

Author: Nate McMaster

src/Framework/src/Microsoft.AspNetCore.App.Runtime.csproj

@@ -15,8 +15,6 @@
     <SharedFxName>Microsoft.AspNetCore.App</SharedFxName>
     <PackageId>$(MSBuildProjectName).$(RuntimeIdentifier)</PackageId>
     <IsShippingPackage>true</IsShippingPackage>
-    <!-- Undo for Preview4. Preview 3 is shipping using the runtime.$(rid) packages instead. -->
-    <IsPackable Condition="'$(PreReleaseLabel)'=='preview3'">false</IsPackable>
 
     <PackageDescription>Provides a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments.
 

src/Framework/test/SharedFxTests.cs

@@ -35,9 +35,9 @@ public void SharedFrameworkContainsExpectedFiles()
                 .ToHashSet();
 
             _output.WriteLine("==== actual assemblies ====");
-            _output.WriteLine(string.Join('\n', actualAssemblies));
+            _output.WriteLine(string.Join('\n', actualAssemblies.OrderBy(i => i)));
             _output.WriteLine("==== expected assemblies ====");
-            _output.WriteLine(string.Join('\n', expectedAssemblies));
+            _output.WriteLine(string.Join('\n', expectedAssemblies.OrderBy(i => i)));
 
             var missing = expectedAssemblies.Except(actualAssemblies);
             var unexpected = actualAssemblies.Except(expectedAssemblies);
@@ -62,7 +62,7 @@ public void PlatformManifestListsAllFiles()
             _output.WriteLine("==== file contents ====");
             _output.WriteLine(File.ReadAllText(platformManifestPath));
             _output.WriteLine("==== expected assemblies ====");
-            _output.WriteLine(string.Join('\n', expectedAssemblies));
+            _output.WriteLine(string.Join('\n', expectedAssemblies.OrderBy(i => i)));
 
             AssertEx.FileExists(platformManifestPath);