Fix UTs (#7088)

Author: skofman1

tests/NuGetGallery.Facts/SearchClient/RetryingHttpClientWrapperFacts.cs

@@ -14,7 +14,7 @@ namespace NuGetGallery.SearchClient
 {
     public class RetryingHttpClientWrapperFacts
     {
-        private static readonly Uri ValidUri1 = new Uri("http://www.microsoft.com");
+        private static readonly Uri ValidUri1 = new Uri("https://www.microsoft.com/en-us/");
         private static readonly Uri ValidUri2 = new Uri("https://www.nuget.org");
         private static readonly Uri InvalidUri1 = new Uri("http://nonexisting.domain.atleast.ihope");
         private static readonly Uri InvalidUri2 = new Uri("http://nonexisting.domain.atleast.ihope/foo");