disable the XCTest test to unblock CI

eeckstein · eeckstein · commit 0b5de45b3fff · 2018-11-13T13:56:06.000-08:00
rdar://problem/46030955
diff --git a/validation-test/stdlib/XCTest.swift b/validation-test/stdlib/XCTest.swift
@@ -8,6 +8,8 @@
 // REQUIRES: OS=macosx
 // UNSUPPORTED: remote_run
 
+// REQUIRES: rdar46030955
+
 import StdlibUnittest
 
 
