[test] Disable these tests on OpenBSD like Linux.

3405691582 · 3405691582 · commit 327c916598b1 · 2021-02-10T17:37:03.000-05:00
These tests are causing linker errors. Presumably this is like swiftlang#35782, which suggests these tests should also be XFAIL or UNSUPPORTED on OpenBSD as well.
diff --git a/test/Concurrency/Runtime/class_resilience.swift b/test/Concurrency/Runtime/class_resilience.swift
@@ -12,6 +12,7 @@
 // REQUIRES: concurrency
 // XFAIL: windows
 // XFAIL: linux
+// XFAIL: openbsd
 
 import StdlibUnittest
 import resilient_class
diff --git a/test/Concurrency/Runtime/protocol_resilience.swift b/test/Concurrency/Runtime/protocol_resilience.swift
@@ -12,6 +12,7 @@
 // REQUIRES: concurrency
 // XFAIL: windows
 // UNSUPPORTED: linux
+// UNSUPPORTED: openbsd
 
 import StdlibUnittest
 import resilient_protocol
