test-serve: fix test for binding to low named port on solaris

test-serve: fix test for binding to low named port on solaris

Solaris do not know the service called http, so we use echo instead.

Trying to define KILLQUIETLY when running the hgserve function didn't set the
value within the function. Now we set the variable before calling the function.

--- a/tests/test-serve	Tue Sep 21 23:55:32 2010 +0200
+++ b/tests/test-serve	Sat Sep 25 02:35:32 2010 +0200
@@ -40,8 +40,10 @@
 echo % With -v and -p HGPORT2
 hgserve -p "$HGPORT2"
 
-echo '% With -v and -p http (should fail)'
-KILLQUIETLY=Y hgserve -p http; KILLQUIETLY=N
+echo '% With -v and -p echo (should fail because low port)'
+KILLQUIETLY=Y
+hgserve -p echo
+KILLQUIETLY=N
 
 echo % With --prefix foo
 hgserve --prefix foo

--- a/tests/test-serve.out	Tue Sep 21 23:55:32 2010 +0200
+++ b/tests/test-serve.out	Sat Sep 25 02:35:32 2010 +0200
@@ -7,8 +7,8 @@
 % With -v and -p HGPORT2
 listening at http://localhost/ (bound to 127.0.0.1:HGPORT2)
 % errors
-% With -v and -p http (should fail)
-abort: cannot start server at 'localhost:80': Permission denied
+% With -v and -p echo (should fail because low port)
+abort: cannot start server at 'localhost:7': Permission denied
 abort: child process failed to start
 % errors
 % With --prefix foo