t: Add another check for /bin/true

Tests will be skipped if the binary is not installed

Author: perlpunk

t/01_run.t

@@ -605,6 +605,7 @@ subtest 'execute exeption handling' => sub {
 };
 
 subtest 'SIG_CHLD handler in spawned process' => sub {
+  check_bin('/bin/true');
   my $simple_rwp      = check_bin("$FindBin::Bin/data/simple_rwp.pl");
   my $sigchld_handler = check_bin("$FindBin::Bin/data/sigchld_handler.pl");
 

t/data/simple_rwp.pl

@@ -4,6 +4,6 @@
 use Mojo::IOLoop::ReadWriteProcess 'process';
 
 # Not all systems have /bin/true, this is /usr/bin/true on osx for instance
-my $p
-  = process(execute => 'command -v true')->start()->wait_stop->read_all_stdout;
+my $p = process(execute => 'command -v true || which true')->start()
+  ->wait_stop->read_all_stdout;
 exit process(execute => $p)->start()->wait_stop()->exit_status();