[windows][test] Mark the test as unsupported on Windows, but correctly.

drodriguez · drodriguez · commit 1a9a06153628 · 2021-03-01T17:39:31.000-08:00
Can I blame this on auto-complete?
diff --git a/test/Concurrency/Runtime/async_task_equals_hashCode.swift b/test/Concurrency/Runtime/async_task_equals_hashCode.swift
@@ -2,7 +2,7 @@
 
 // REQUIRES: executable_test
 // REQUIRES: concurrency
-// UNSUPPORTED: OS=windows-os
+// UNSUPPORTED: OS=windows-msvc
 
 #if canImport(Darwin)
 import Darwin
