Don't require dev cert for integration test

Author: halter73

src/Servers/Kestrel/Core/src/KestrelConfigurationLoader.cs

@@ -298,7 +298,7 @@ public void Load()
                 // There's no reason to rerun an EndpointConfigurations callback if nothing changed.
                 var matchingBoundEndpoints = endpointsToStop.Where(o => o.EndpointConfig == endpoint).ToList();
 
-                if (matchingBoundEndpoints.Any())
+                if (matchingBoundEndpoints.Count > 0)
                 {
                     endpointsToStop.RemoveAll(o => o.EndpointConfig == endpoint);
                     Options.ConfigurationBackedListenOptions.AddRange(matchingBoundEndpoints);

src/Servers/Kestrel/Core/test/KestrelServerTests.cs

@@ -571,7 +571,8 @@ public async Task ReloadsOnConfigurationChangeWhenOptedIn()
             {
                 new KeyValuePair<string, string>("Endpoints:A:Url", "http://*:5000"),
                 new KeyValuePair<string, string>("Endpoints:B:Url", "http://*:5002"),
-                new KeyValuePair<string, string>("Endpoints:C:Url", "https://*:5003"),
+                new KeyValuePair<string, string>("Endpoints:C:Url", "http://*:5003"),
+                new KeyValuePair<string, string>("Endpoints:C:Protocols", "Http1"),
             }).Build();
 
             await changeCallback().DefaultTimeout();