Adds clear logging for peer helper invocations.

DistTestCore/Helpers/PeerConnectionTestHelpers.cs

@@ -21,6 +21,7 @@ namespace DistTestCore.Helpers
 
         public void AssertFullyConnected(params IOnlineCodexNode[] nodes)
         {
+            test.Debug($"Asserting peers are fully-connected for nodes: '{string.Join(",", nodes.Select(n => n.GetName()))}'...");
             var entries = CreateEntries(nodes);
             var pairs = CreatePairs(entries);
 
@@ -33,6 +34,7 @@ namespace DistTestCore.Helpers
             {
                 Assert.Fail(string.Join(Environment.NewLine, pairs.Select(p => p.GetMessage())));
             }
+            test.Debug($"Success! Peers are fully-connected: {string.Join(",", nodes.Select(n => n.GetName()))}");
         }
 
         private static void RetryWhilePairs(List<Pair> pairs, Action action)

DistTestCore/Helpers/PeerDownloadTestHelpers.cs

@@ -16,6 +16,7 @@
 
         public void AssertFullDownloadInterconnectivity(IEnumerable<IOnlineCodexNode> nodes, ByteSize testFileSize)
         {
+            test.Debug($"Asserting full download interconnectivity for nodes: '{string.Join(",", nodes.Select(n => n.GetName()))}'...");
             foreach (var node in nodes)
             {
                 var uploader = node;
@@ -26,6 +27,8 @@
                     PerformTest(uploader, downloaders);
                 });
             }
+            
+            test.Debug($"Success! Full download interconnectivity for nodes: {string.Join(",", nodes.Select(n => n.GetName()))}");
         }
 
         private void PerformTest(IOnlineCodexNode uploader, IOnlineCodexNode[] downloaders)

Tests/PeerDiscoveryTests/LayeredDiscoveryTests.cs

@@ -56,6 +56,7 @@ namespace Tests.PeerDiscoveryTests
         private void AssertAllNodesConnected()
         {
             PeerConnectionTestHelpers.AssertFullyConnected(GetAllOnlineCodexNodes());
+            PeerDownloadTestHelpers.AssertFullDownloadInterconnectivity(GetAllOnlineCodexNodes());
         }
     }
 }

Tests/PeerDiscoveryTests/PeerDiscoveryTests.cs

@@ -57,6 +57,7 @@ namespace Tests.PeerDiscoveryTests
         private void AssertAllNodesConnected()
         {
             PeerConnectionTestHelpers.AssertFullyConnected(GetAllOnlineCodexNodes());
+            PeerDownloadTestHelpers.AssertFullDownloadInterconnectivity(GetAllOnlineCodexNodes());
         }
     }
 }