Disable WindowsAlternateDataStreamOverwrite test on Windows Arm64 (#126661)

Copilot · web-flow · commit 24d70a4675f2 · 2026-04-09T00:21:39.000-06:00
diff --git a/src/libraries/System.Runtime/tests/System.IO.FileSystem.Tests/File/Copy.cs b/src/libraries/System.Runtime/tests/System.IO.FileSystem.Tests/File/Copy.cs
@@ -361,6 +361,7 @@ public void OverwriteFalse()
             InlineData("::$DATA", ":bar"),
             InlineData("::$DATA", ":bar:$DATA")]
         [PlatformSpecific(TestPlatforms.Windows)]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/83659", typeof(PlatformDetection), nameof(PlatformDetection.IsWindows), nameof(PlatformDetection.IsArm64Process))]
         public void WindowsAlternateDataStreamOverwrite(string defaultStream, string alternateStream)
         {
             DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());

Original file line number	Diff line number	Diff line change
`@@ -361,6 +361,7 @@ public void OverwriteFalse()`
`361`	`361`	`InlineData("::$DATA", ":bar"),`
`362`	`362`	`InlineData("::$DATA", ":bar:$DATA")]`
`363`	`363`	`[PlatformSpecific(TestPlatforms.Windows)]`
	`364`	`+ [ActiveIssue("https://github.com/dotnet/runtime/issues/83659", typeof(PlatformDetection), nameof(PlatformDetection.IsWindows), nameof(PlatformDetection.IsArm64Process))]`
`364`	`365`	`public void WindowsAlternateDataStreamOverwrite(string defaultStream, string alternateStream)`
`365`	`366`	`{`
`366`	`367`	`DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());`