Fix test case.

tests/TestCase/Command/HelpCommandTest.php

@@ -90,7 +90,6 @@ class HelpCommandTest extends ConsoleIntegrationTestCase
             'only short alias for plugin command.'
         );
         $this->assertOutputContains('- sample', 'app shell');
-        $this->assertOutputContains('- test_plugin.sample', 'Long plugin name');
         $this->assertOutputContains('- routes', 'core shell');
         $this->assertOutputContains('- example', 'short plugin name');
         $this->assertOutputContains('- abort', 'command object');