Disable test on Linux for now, problem with finding libs, we primarily

care about macOS in this test in any case

Author: ktoso

test/Distributed/Runtime/distributed_actor_protocol_call_resilient_lib.swift

@@ -58,6 +58,10 @@
 // REQUIRES: concurrency
 // REQUIRES: distributed
 
+// Locating the built libraries failed on Linux (construction of test case),
+// but we primarily care about macOS in this test
+// UNSUPPORTED: OS=linux-gnu
+
 // UNSUPPORTED: use_os_stdlib
 // UNSUPPORTED: back_deployment_runtime