Fix test environment.

Build.PL

@@ -105,7 +105,7 @@ Build.PL - NGCP-Panel build system including test fixtures
     perl ./Build
     ./Build test --webdriver='phantomjs --webdriver=4444'
     ./Build test --webdriver='java -jar selenium-server-standalone.jar'
-    ./Build test --webdriver='chromedriver --port=4444'
+    ./Build test --webdriver='chromedriver --url-base=wd/hub --port=4444'
     ./Build test --webdriver=selenium-rc # from CPAN distro Alien-SeleniumRC
 
     ./Build testcover --webdriver='phantomjs --webdriver=4444'

inc/Local/Module/Build.pm

@@ -59,7 +59,7 @@ around('ACTION_test', sub {
         exec $^X,
             '-Ilib',
             @cover_opt,
-            File::Which::which('plackup'),
+            scalar File::Which::which('plackup'),
             sprintf('--listen=%s:%s', $uri->host, $uri->port),
             'ngcp_panel.psgi';
     };

lib/NGCP/Panel/Utils/Message.pm

@@ -1,5 +1,6 @@
 package NGCP::Panel::Utils::Message;
 
+use Catalyst;
 use Sipwise::Base;
 
 method error ($self: Catalyst :$c, Str :$desc, Str :$log?, :$error?) {