always use lib t/lib

Author: haarg

t/model/search.t

@@ -1,5 +1,6 @@
 use strict;
 use warnings;
+use lib 't/lib';
 
 use MetaCPAN::Model::Search ();
 use MetaCPAN::TestServer    ();

t/server/controller/release.t

@@ -1,5 +1,6 @@
 use strict;
 use warnings;
+use lib 't/lib';
 
 use Encode;
 use MetaCPAN::Server::Test;

xt/search_web.t

@@ -1,5 +1,6 @@
 use strict;
 use warnings;
+use lib 't/lib';
 
 # USE `bin/prove_live` to run this
 # READ the README.txt in this dir