Add RemoveEmptyNamespace transform to get rid of <Module> definitions in all test cases

ICSharpCode.Decompiler/Tests/Helpers/RemoveEmptyNamespace.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ICSharpCode.NRefactory.CSharp;
+
+namespace ICSharpCode.Decompiler.Tests.Helpers
+{
+	class RemoveEmptyNamespace : DepthFirstAstVisitor<object, object>
+	{
+		public override object VisitNamespaceDeclaration(NamespaceDeclaration namespaceDeclaration, object data)
+		{
+			if (namespaceDeclaration.FullName.Length == 0) {
+				namespaceDeclaration.Remove();
+				return null;
+			}
+			return base.VisitNamespaceDeclaration(namespaceDeclaration, data);
+		}
+
+		public void Run(AstNode node)
+		{
+			node.AcceptVisitor(this, null);
+		}
+	}
+}

ICSharpCode.Decompiler/Tests/Helpers/Tester.cs

@@ -58,6 +58,7 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 			CSharpDecompiler decompiler = new CSharpDecompiler(AssemblyDefinition.ReadAssembly(assemblyFileName).MainModule);
 			var syntaxTree = decompiler.DecompileWholeModuleAsSingleFile();
 			new Helpers.RemoveCompilerAttribute().Run(syntaxTree);
+			new Helpers.RemoveEmptyNamespace().Run(syntaxTree);
 			
 			StringWriter output = new StringWriter();
 			var visitor = new CSharpOutputVisitor(output, FormattingOptionsFactory.CreateSharpDevelop());

ICSharpCode.Decompiler/Tests/ICSharpCode.Decompiler.Tests.csproj

@@ -90,6 +90,7 @@
     <Compile Include="ExceptionHandling.cs" />
     <Compile Include="Helpers\CodeAssert.cs" />
     <Compile Include="Helpers\RemoveCompilerAttribute.cs" />
+    <Compile Include="Helpers\RemoveEmptyNamespace.cs" />
     <Compile Include="Helpers\Tester.cs" />
     <Compile Include="TestCases\HelloWorld.cs" />
     <Compile Include="TestRunner.cs" />

ILSpy.BamlDecompiler/Tests/ILSpy.BamlDecompiler.Tests.csproj

@@ -117,7 +117,9 @@
       <Name>ILSpy.BamlDecompiler</Name>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup />
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
   <ItemGroup>
     <Page Include="Cases\AttachedEvent.xaml" />
     <Page Include="Cases\AvalonDockBrushes.xaml" />