test-serve: use service that works on more platforms

Follow-up to ba8850911703: echo is ambiguous on OS/X, and Solaris have neither
http nor gopher. daytime seems to be available everywhere.

tests/test-serve

@@ -1,58 +1,58 b''
 #!/bin/sh
 
 hgserve()
 {
     hg serve -a localhost -d --pid-file=hg.pid -E errors.log -v $@ \
         | sed -e "s/:$HGPORT1\\([^0-9]\\)/:HGPORT1\1/g" \
               -e "s/:$HGPORT2\\([^0-9]\\)/:HGPORT2\1/g" \
               -e 's/http:\/\/[^/]*\//http:\/\/localhost\//'
     cat hg.pid >> "$DAEMON_PIDS"
     echo % errors
     cat errors.log
     sleep 1
     if [ "$KILLQUIETLY" = "Y" ]; then
         kill `cat hg.pid` 2>/dev/null
     else
         kill `cat hg.pid`
     fi
     sleep 1
 }
 
 hg init test
 cd test
 
 echo '[web]' > .hg/hgrc
 echo 'accesslog = access.log' >> .hg/hgrc
 echo "port = $HGPORT1" >> .hg/hgrc
 
 echo % Without -v
 hg serve -a localhost -p $HGPORT -d --pid-file=hg.pid -E errors.log
 cat hg.pid >> "$DAEMON_PIDS"
 if [ -f access.log ]; then
     echo 'access log created - .hg/hgrc respected'
 fi
 echo % errors
 cat errors.log
 
 echo % With -v
 hgserve
 
 echo % With -v and -p HGPORT2
 hgserve -p "$HGPORT2"
 
-echo '% With -v and -p echo (should fail because low port)'
+echo '% With -v and -p daytime (should fail because low port)'
 KILLQUIETLY=Y
-hgserve -p echo
+hgserve -p daytime
 KILLQUIETLY=N
 
 echo % With --prefix foo
 hgserve --prefix foo
 
 echo % With --prefix /foo
 hgserve --prefix /foo
 
 echo % With --prefix foo/
 hgserve --prefix foo/
 
 echo % With --prefix /foo/
 hgserve --prefix /foo/

tests/test-serve.out

@@ -1,25 +1,25 b''
 % Without -v
 access log created - .hg/hgrc respected
 % errors
 % With -v
 listening at http://localhost/ (bound to 127.0.0.1:HGPORT1)
 % errors
 % With -v and -p HGPORT2
 listening at http://localhost/ (bound to 127.0.0.1:HGPORT2)
 % errors
-% With -v and -p echo (should fail because low port)
-abort: cannot start server at 'localhost:7': Permission denied
+% With -v and -p daytime (should fail because low port)
+abort: cannot start server at 'localhost:13': Permission denied
 abort: child process failed to start
 % errors
 % With --prefix foo
 listening at http://localhost/foo/ (bound to 127.0.0.1:HGPORT1)
 % errors
 % With --prefix /foo
 listening at http://localhost/foo/ (bound to 127.0.0.1:HGPORT1)
 % errors
 % With --prefix foo/
 listening at http://localhost/foo/ (bound to 127.0.0.1:HGPORT1)
 % errors
 % With --prefix /foo/
 listening at http://localhost/foo/ (bound to 127.0.0.1:HGPORT1)
 % errors