Use -enable-objc-interop instead of REQUIRES: objc_interop

Author: aschwaighofer

test/attr/dynamicReplacement_library_evolution.swift

@@ -1,7 +1,5 @@
 // RUN: %empty-directory(%t)
-// RUN: %target-typecheck-verify-swift -swift-version 5 -enable-library-evolution  -I %t
-
-// REQUIRES: objc_interop
+// RUN: %target-typecheck-verify-swift -swift-version 5 -enable-objc-interop -enable-library-evolution  -I %t 
 
 struct Container {
   dynamic var property: Int { return 1 } // expected-error{{marking non-'@objc' Swift declaration 'dynamic' in library evolution mode is not supported}}

test/attr/dynamicReplacement_library_evolution_implicit_dynamic.swift

@@ -1,7 +1,5 @@
 // RUN: %empty-directory(%t)
-// RUN: %target-typecheck-verify-swift -swift-version 5 -enable-library-evolution -enable-implicit-dynamic -I %t
-
-// REQUIRES: objc_interop
+// RUN: %target-typecheck-verify-swift -swift-version 5 -enable-objc-interop -enable-library-evolution -enable-implicit-dynamic -I %t
 
 struct Container {
   var property: Int { return 1 }