[validation-test] Marking a few stdlibunittest validation tests as unsupported on watchos (#7731)

Author: moiseev

validation-test/StdlibUnittest/ChildProcessShutdown/FailIfChildCrashesDuringShutdown.swift

@@ -1,5 +1,7 @@
 // RUN: %target-run-simple-swift 2>&1 | %FileCheck %s
 // REQUIRES: executable_test
+// FIXME: this test is failing for watchos <rdar://problem/29997111>
+// UNSUPPORTED: OS=watchos
 
 import StdlibUnittest
 #if os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Windows)

validation-test/StdlibUnittest/Common.swift

@@ -1,5 +1,7 @@
 // RUN: %target-run-simple-swift | %FileCheck %s
 // REQUIRES: executable_test
+// FIXME: this test is failing for watchos <rdar://problem/29996991>
+// UNSUPPORTED: OS=watchos
 
 import SwiftPrivate
 import StdlibUnittest

validation-test/StdlibUnittest/CrashingTests.swift

@@ -1,5 +1,7 @@
 // RUN: %target-run-simple-swift 2>&1 | %FileCheck %s
 // REQUIRES: executable_test
+// FIXME: this test is failing for watchos <rdar://problem/29997033>
+// UNSUPPORTED: OS=watchos
 
 import StdlibUnittest
 

validation-test/StdlibUnittest/NSException.swift

@@ -1,6 +1,8 @@
 // RUN: %target-run-simple-swift 2>&1 | %FileCheck %s
 // REQUIRES: executable_test
 // REQUIRES: objc_interop
+// FIXME: this test is failing for watchos <rdar://problem/29997073>
+// UNSUPPORTED: OS=watchos
 
 import StdlibUnittest
 import ObjectiveC