Merge pull request #69273 from al45tair/eng/PR-116790881-disable-test

[Test][Backtracing] Disable FatalError test for macOS.

Author: al45tair

test/Backtracing/FatalError.swift

@@ -8,7 +8,7 @@
 // UNSUPPORTED: asan
 // REQUIRES: executable_test
 // REQUIRES: backtracing
-// REQUIRES: OS=macosx || OS=linux-gnu
+// REQUIRES: OS=linux-gnu
 
 func level1() {
   level2()