fixed various test issues - 1365085

t/pt-duplicate-key-checker/standard_options.t

@@ -28,7 +28,32 @@ diag(`rm -f $pid_file >/dev/null`);
 
 diag(`touch $pid_file`);
 
-$output = `$cmd -d issue_295 --pid $pid_file 2>&1`;
+
+# to test this issue I must set a timeout in case the command doesn't come back 
+
+eval {
+   # we define an alarm signal handler
+   local $SIG{'ALRM'} = sub { die "timed out\n" }; 
+
+   # and set the alarm 'clock' to 5 seconds
+   alarm(5);  
+
+   # here's the actual command. correct bahaviour is to die with messsage "PID file <pid_file> exists"
+   # Incorrect behavior is anything else, including not returning control after 5 seconds
+   $output = `$cmd -d issue_295 --pid $pid_file 2>&1`;
+
+};
+
+if ($@) {
+        if ($@ eq "timed out\n") {
+                print "I timed out\n";
+        }
+        else {
+                print "Something else went wrong: $@\n";
+        }
+}
+
+
 like(
    $output,
    qr{PID file $pid_file exists},