1 files changed, 6 insertions, 2 deletions

diff --git a/src/WixToolset.Core.TestPackage/WixRunner.cs b/src/WixToolset.Core.TestPackage/WixRunner.cs
index 62502ecc..1c77a7ee 100644
--- a/src/WixToolset.Core.TestPackage/WixRunner.cs
+++ b/src/WixToolset.Core.TestPackage/WixRunner.cs
@@ -13,12 +13,16 @@ namespace WixToolset.Core.TestPackage
     {
         public static int Execute(string[] args, out List<Message> messages)
         {
+            var serviceProvider = new WixToolsetServiceProvider();
+            return Execute(args, serviceProvider, out messages);
+        }
+
+        public static int Execute(string[] args, IServiceProvider serviceProvider, out List<Message> messages)
+        {
             var listener = new TestListener();
 
             messages = listener.Messages;
 
-            var serviceProvider = new WixToolsetServiceProvider();
-
             var messaging = serviceProvider.GetService<IMessaging>();
             messaging.SetListener(listener);