Fix Windows ZIP mode fixture encoding

infra/deploy/test_windows_release_bundle_mode.ps1

@@ -68,8 +68,7 @@ try {
                 $copy = $targetArchive.CreateEntry($entry.FullName, [System.IO.Compression.CompressionLevel]::NoCompression)
                 $copy.ExternalAttributes = $entry.ExternalAttributes
                 if (-not $changed) {
-                    $copy.ExternalAttributes = [BitConverter]::ToInt32(
-                        [BitConverter]::GetBytes([uint32]0x81A00000), 0)
+                    $copy.ExternalAttributes = [int]-2120220672
                     $changed = $true
                 }
                 $entryInput = $entry.Open()

infra/deploy/test_windows_release_launcher.py

@@ -263,6 +263,8 @@ class WindowsReleaseBootstrapTests(unittest.TestCase):
         self.assertIn("[IO.FileAttributes]::ReparsePoint", harness)
         self.assertIn("[IO.Directory]::Delete($resolvedRoot, $true)", harness)
         self.assertIn("-not $itemPath.StartsWith($resolvedRoot + '\\'", harness)
+        self.assertLess(harness.index("if ($alteredMode -ne 0x81A0)"),
+                        harness.index("Assert-ReceiverBundleEntryMode -Entry $alteredEntry"))
 
     def test_windows_tool_environment_discards_path_and_git_overrides(self):
         environment = {