Fix Change failed to apply (error code: ...) intermittent failures (#45097)

Author: tmat

src/BuiltInTools/dotnet-watch/HotReload/DefaultDeltaApplier.cs

@@ -136,10 +136,11 @@ private async Task<bool> ReceiveApplyUpdateResult(CancellationToken cancellation
             var status = ArrayPool<byte>.Shared.Rent(1);
             try
             {
-                var statusBytesRead = await _pipe.ReadAsync(status, cancellationToken);
+                var statusBytesRead = await _pipe.ReadAsync(status, offset: 0, count: 1, cancellationToken);
                 if (statusBytesRead != 1 || status[0] != UpdatePayload.ApplySuccessValue)
                 {
-                    Reporter.Error($"Change failed to apply (error code: '{BitConverter.ToString(status, 0, statusBytesRead)}'). Further changes won't be applied to this process.");
+                    var message = (statusBytesRead == 0) ? "received no data" : $"received status 0x{status[0]:x2}";
+                    Reporter.Error($"Change failed to apply ({message}). Further changes won't be applied to this process.");
                     return false;
                 }
 

test/HelixTasks/SDKCustomCreateXUnitWorkItemsWithTestExclusion.cs

@@ -152,7 +152,7 @@ private async Task<List<ITaskItem>> PrepareWorkItem(ITaskItem xunitProject)
 
                 var testFilter = string.IsNullOrEmpty(assemblyPartitionInfo.ClassListArgumentString) ? "" : $"--filter \"{assemblyPartitionInfo.ClassListArgumentString}\"";
                 command = $"{driver} test {assemblyName} -e HELIX_WORK_ITEM_TIMEOUT={timeout} {testExecutionDirectory} {msbuildAdditionalSdkResolverFolder} " +
-                            $"{(XUnitArguments != null ? " " + XUnitArguments : "")} --results-directory .{Path.DirectorySeparatorChar} --logger trx --blame-hang --blame-hang-timeout 30m {testFilter} -- {arguments}";
+                          $"{(XUnitArguments != null ? " " + XUnitArguments : "")} --results-directory .{Path.DirectorySeparatorChar} --logger trx --logger \"console;verbosity=detailed\" --blame-hang --blame-hang-timeout 30m {testFilter} -- {arguments}";
 
                 Log.LogMessage($"Creating work item with properties Identity: {assemblyName}, PayloadDirectory: {publishDirectory}, Command: {command}");
 

test/dotnet-watch.Tests/HotReload/ApplyDeltaTests.cs

@@ -68,7 +68,7 @@ public static void Print()
             await App.AssertOutputLineStartsWith("Changed!");
         }
 
-        [Fact]
+        [Fact(Skip = "https://github.com/dotnet/sdk/issues/45457")]
         public async Task ChangeFileInFSharpProject()
         {
             var testAsset = TestAssets.CopyTestAsset("FSharpTestAppSimple")