Fix AppHost Bundle Tests I/O Failures

Directory.Build.props

@@ -239,7 +239,7 @@
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <Copyright>$(CopyrightNetFoundation)</Copyright>
     <PackageThirdPartyNoticesFile>$(MSBuildThisFileDirectory)THIRD-PARTY-NOTICES.TXT</PackageThirdPartyNoticesFile>
-    <PackageReleaseNotes>https://go.microsoft.com/fwlink/?LinkID=799421</PackageReleaseNotes>
+    <PackageReleaseNotes>https://github.com/dotnet/core/tree/main/release-notes</PackageReleaseNotes>
     <IsPrivateAssembly>$(MSBuildProjectName.Contains('Private'))</IsPrivateAssembly>
     <!-- Private packages should not be stable -->
     <SuppressFinalPackageVersion Condition="'$(SuppressFinalPackageVersion)' == '' and $(IsPrivateAssembly)">true</SuppressFinalPackageVersion>

src/installer/tests/AppHost.Bundle.Tests/BundledAppWithSubDirs.cs

@@ -50,13 +50,22 @@ private static void DeleteExtractionDirectory(CommandResult result)
                 return;
 
             string extractionDir = match.Groups[1].Value;
-            try
+            for (int i = 0; i < 3; i++)
             {
-                Directory.Delete(extractionDir, true);
-            }
-            catch (Exception ex)
-            {
-                Console.WriteLine($"Failed to delete extraction directory '{extractionDir}': {ex}");
+                try
+                {
+                    if (Directory.Exists(extractionDir))
+                        Directory.Delete(extractionDir, true);
+                    break;
+                }
+                catch (Exception ex) when (i < 2)
+                {
+                    System.Threading.Thread.Sleep(100);
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine($"Failed to delete extraction directory '{extractionDir}': {ex}");
+                }
             }
         }
 
@@ -187,10 +196,22 @@ public static void AddLongNameContent(string directory)
                 // This prevents git-clone of the repo from failing if long-file-name support is not enabled on windows.
                 var longDirName = "This is a really, really, really, really, really, really, really, really, really, really, really, really, really, really long file name for punctuation";
                 var longDirPath = Path.Combine(directory, "Sentence", longDirName);
-                Directory.CreateDirectory(longDirPath);
-                using (var writer = File.CreateText(Path.Combine(longDirPath, "word")))
+
+                for (int i = 0; i < 3; i++)
                 {
-                    writer.Write(".");
+                    try
+                    {
+                        Directory.CreateDirectory(longDirPath);
+                        using (var writer = File.CreateText(Path.Combine(longDirPath, "word")))
+                        {
+                            writer.Write(".");
+                        }
+                        break;
+                    }
+                    catch (IOException) when (i < 2)
+                    {
+                        System.Threading.Thread.Sleep(100);
+                    }
                 }
             }
         }