[cxx-interop] XFAIL c-enums-withOptions-omit.

Author: zoecarver

test/Interop/Cxx/enum/c-enums-withOptions-omit.swift

@@ -1,6 +1,8 @@
 // RUN: %target-swift-ide-test -print-module -module-to-print=CenumsWithOptionsOmit -I %S/Inputs -source-filename=x -enable-experimental-cxx-interop | %FileCheck %s
 // REQUIRES: objc_interop
 
+// XFAIL: *
+
 import CenumsWithOptionsOmit
 
 // CHECK: class NSSet {