MachMultiprocess test: the child process must wait for the parent to finish

util/mach/mach_message_server_test.cc

Index: util/mach/mach_message_server_test.cc
diff --git a/util/mach/mach_message_server_test.cc b/util/mach/mach_message_server_test.cc
index 71eaf20cddc4cefbf8cfb91e2d49e53c1a10e9be..c0991e7cf757950b0623345075ccf0208383b74a 100644
--- a/util/mach/mach_message_server_test.cc
+++ b/util/mach/mach_message_server_test.cc
@@ -723,7 +723,6 @@ TEST(MachMessageServer, Complex) {
   // that resources transferred to a server process temporarily aren’t leaked.
   TestMachMessageServer::Options options;
   options.client_send_complex = true;
-  options.child_wait_for_parent_pipe = true;
   TestMachMessageServer test_mach_message_server(options);
   test_mach_message_server.Test();
 }
@@ -740,7 +739,6 @@ TEST(MachMessageServer, ComplexNotDestroyed) {
   options.server_destroy_complex = false;
   options.expect_server_destroyed_complex = false;
   options.client_send_complex = true;
-  options.child_wait_for_parent_pipe = true;
   TestMachMessageServer test_mach_message_server(options);
   test_mach_message_server.Test();
 }
@@ -754,7 +752,6 @@ TEST(MachMessageServer, ComplexDestroyedInvalidArgument) {
   options.server_mig_retcode = KERN_INVALID_TASK;
   options.server_destroy_complex = false;
   options.client_send_complex = true;
-  options.child_wait_for_parent_pipe = true;
   TestMachMessageServer test_mach_message_server(options);
   test_mach_message_server.Test();
 }