diff --git a/src/installer/tests/AppHost.Bundle.Tests/BundledAppWithSubDirs.cs b/src/installer/tests/AppHost.Bundle.Tests/BundledAppWithSubDirs.cs
index 6f20384803e142..7acfba3aaaee2f 100644
--- a/src/installer/tests/AppHost.Bundle.Tests/BundledAppWithSubDirs.cs
+++ b/src/installer/tests/AppHost.Bundle.Tests/BundledAppWithSubDirs.cs
@@ -25,6 +25,7 @@ private FluentAssertions.AndConstraint<CommandResultAssertions> RunTheApp(string
             CommandResult result = Command.Create(path)
                 .EnableTracingAndCaptureOutputs()
                 .DotNetRoot(selfContained ? null : HostTestContext.BuiltDotNet.BinPath)
+                .EnvironmentVariable(Constants.BundleExtractBase.EnvironmentVariable, GetExtractionRootPath(path))
                 .Execute();
             if (deleteApp)
             {
@@ -39,6 +40,20 @@ private FluentAssertions.AndConstraint<CommandResultAssertions> RunTheApp(string
                 .And.HaveStdOutContaining("Wow! We now say hello to the big world and you.");
         }
 
+        private static string GetExtractionRootPath(string path)
+        {
+            string extractionRoot = Path.Combine(Path.GetDirectoryName(path), "extract");
+            // Native extraction must support the long-name content even when the test artifact path exceeds MAX_PATH.
+            if (OperatingSystem.IsWindows() && !extractionRoot.StartsWith(@"\\?\", StringComparison.Ordinal))
+            {
+                extractionRoot = extractionRoot.StartsWith(@"\\", StringComparison.Ordinal)
+                    ? @"\\?\UNC\" + extractionRoot[2..]
+                    : @"\\?\" + extractionRoot;
+            }
+
+            return extractionRoot;
+        }
+
         private static void DeleteExtractionDirectory(CommandResult result)
         {
             Assert.False(string.IsNullOrEmpty(result.StdErr), "Attempted to get extraction directory from empty stderr. Ensure tracing was enabled and stderr captured.");
@@ -64,7 +79,7 @@ private static void DeleteExtractionDirectory(CommandResult result)
         [InlineData(BundleOptions.BundleAllContent)]
         public void FrameworkDependent(BundleOptions options)
         {
-            var singleFile = sharedTestState.FrameworkDependentApp.Bundle(options);
+            var singleFile = sharedTestState.FrameworkDependentApp.Bundle(options, out Manifest manifest);
 
             // Run the bundled app
             bool shouldExtract = options.HasFlag(BundleOptions.BundleAllContent);
@@ -73,6 +88,10 @@ public void FrameworkDependent(BundleOptions options)
 
             if (shouldExtract)
             {
+                sharedTestState.FrameworkDependentApp
+                    .GetExtractionDir(GetExtractionRootPath(singleFile), manifest)
+                    .Should().Exist();
+
                 // Run the bundled app again (reuse extracted files)
                 RunTheApp(singleFile, selfContained: false)
                     .And.ReuseExtraction();
@@ -86,7 +105,7 @@ public void FrameworkDependent(BundleOptions options)
         [InlineData(BundleOptions.BundleAllContent | BundleOptions.EnableCompression)]
         public void SelfContained(BundleOptions options)
         {
-            var singleFile = sharedTestState.SelfContainedApp.Bundle(options);
+            var singleFile = sharedTestState.SelfContainedApp.Bundle(options, out Manifest manifest);
 
             // Run the bundled app
             bool shouldExtract = options.HasFlag(BundleOptions.BundleAllContent);
@@ -95,6 +114,10 @@ public void SelfContained(BundleOptions options)
 
             if (shouldExtract)
             {
+                sharedTestState.SelfContainedApp
+                    .GetExtractionDir(GetExtractionRootPath(singleFile), manifest)
+                    .Should().Exist();
+
                 // Run the bundled app again (reuse extracted files)
                 RunTheApp(singleFile, selfContained: true)
                     .And.ReuseExtraction();