MT#4771 fix selenium resolution for reseller test

see comment, 4771#c31437
for more on tests, see MT#4871

t/controller_reseller_selenium.t

@@ -7,7 +7,7 @@ my $browsername = $ENV{BROWSER_NAME} || "";
 #possible values: htmlunit, chrome, firefox (default)
 my $d = Test::WebDriver::Sipwise->new (browser_name => $browsername,
     'proxy' => {'proxyType' => 'system'});
-$d->set_window_size(800,1280) if ($browsername ne "htmlunit");
+$d->set_window_size(768,1024) if ($browsername ne "htmlunit");
 my $uri = $ENV{CATALYST_SERVER} || 'http://localhost:3000';
 $d->get_ok("$uri/logout"); #make sure we are logged out
 $d->get_ok("$uri/login");