Add missing executable_test

jckarter · jckarter · commit 0d4d93cfa4be · 2021-03-26T13:57:03.000-07:00
diff --git a/test/Concurrency/Runtime/cancellation_handler.swift b/test/Concurrency/Runtime/cancellation_handler.swift
@@ -1,5 +1,6 @@
 // RUN: %target-run-simple-swift(-Xfrontend -enable-experimental-concurrency %import-libdispatch)
 // REQUIRES: concurrency
+// REQUIRES: executable_test
 
 class Canary {
   deinit {
