Hack around the need for a certificate

Author: amcasey

src/DefaultBuilder/test/Microsoft.AspNetCore.TrimmingTests/UseHttpsDoesDependOnX509Test.cs

@@ -1,3 +1,4 @@
+using System.Security.Cryptography.X509Certificates;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 
@@ -7,7 +8,9 @@
 {
     serverOptions.ListenLocalhost(5000, listenOptions =>
     {
-        listenOptions.UseHttps();
+#pragma warning disable SYSLIB0026 // The constructor obsolete but we're not actually going to use the cert
+        listenOptions.UseHttps(new X509Certificate2());
+#pragma warning restore SYSLIB0026
     });
 });