[Test] Mark protocol_conformance_collision.swift as requiring executable_test. (swiftlang#35125)

mikeash · web-flow · commit 043e70972825 · 2020-12-16T13:00:20.000-05:00
diff --git a/test/Runtime/protocol_conformance_collision.swift b/test/Runtime/protocol_conformance_collision.swift
@@ -7,6 +7,7 @@
 // RUN: %target-run %t/oldSDK oldSDK
 
 // REQUIRES: VENDOR=apple
+// REQUIRES: executable_test
 
 // Simulators refuse to run binaries built with an SDK newer than the simulator.
 // UNSUPPORTED: DARWIN_SIMULATOR=ios
