Add 'match' query parameter for index page

Related progress issue: https://progress.opensuse.org/issues/13742

lib/OpenQA/WebAPI/Controller/Main.pm

@@ -119,10 +119,12 @@ sub index {
     my ($self) = @_;
 
     my $limit_builds = $self->param('limit_builds') // 3;
+    my $match = $self->param('match');
     my @results;
 
     my $groups = $self->db->resultset('JobGroups')->search({}, {order_by => qw/name/});
     while (my $group = $groups->next) {
+        next unless (!$match || $group->name =~ /$match/);
         my $res = $self->_group_result($group, $limit_builds);
         if (%$res) {
             $res->{_group} = $group;

t/ui/14-dashboard.t

@@ -64,6 +64,10 @@ is($driver->find_element('#more_builds b', 'css')->get_text(), 400, 'limited to
 $driver->find_element('tagged', 'link_text')->click();
 is(scalar @{$driver->find_elements('h4', 'css')}, 0, 'no tagged builds exist');
 
+is($driver->get($baseurl . '?match=test'), 1, 'index page accepts match parameter to filter job groups');
+is(scalar @{$driver->find_elements('h4', 'css')}, 1, 'only one job group shown');
+is($driver->find_element('opensuse test', 'link_text')->get_text, 'opensuse test');
+
 #t::ui::PhantomTest::make_screenshot('mojoResults.png');
 
 t::ui::PhantomTest::kill_phantom();