[testing] Add missing REQUIRES

Author: davezarzycki

test/IRGen/async/class_resilience.swift

@@ -1,6 +1,7 @@
 // RUN: %empty-directory(%t)
 // RUN: %target-swift-frontend -emit-module -enable-experimental-concurrency -enable-library-evolution -emit-module-path=%t/resilient_class.swiftmodule -module-name=resilient_class %S/Inputs/resilient_class.swift
 // RUN: %target-swift-frontend -I %t -emit-ir -enable-experimental-concurrency -enable-library-evolution %s | %FileCheck --check-prefix=CHECK --check-prefix=CHECK-%target-cpu %s
+// REQUIRES: concurrency
 
 import resilient_class
 

test/IRGen/async/protocol_resilience.swift

@@ -1,6 +1,7 @@
 // RUN: %empty-directory(%t)
 // RUN: %target-swift-frontend -emit-module -enable-experimental-concurrency -enable-library-evolution -emit-module-path=%t/resilient_protocol.swiftmodule -module-name=resilient_protocol %S/Inputs/resilient_protocol.swift
 // RUN: %target-swift-frontend -I %t -emit-ir -enable-experimental-concurrency -enable-library-evolution %s | %FileCheck --check-prefix=CHECK --check-prefix=CHECK-%target-cpu %s
+// REQUIRES: concurrency
 
 import resilient_protocol