Fix tests

Author: mruell

test/Github/Tests/Api/RepoTest.php

@@ -95,7 +95,6 @@ public function shouldCreateRepositoryUsingNameOnly()
                 'name'          => 'l3l0Repo',
                 'description'   => '',
                 'homepage'      => '',
-                'visibility'    => 'public',
                 'private'       => false,
                 'has_issues'    => false,
                 'has_wiki'      => false,
@@ -122,7 +121,6 @@ public function shouldCreateRepositoryForOrganization()
                 'name'          => 'KnpLabsRepo',
                 'description'   => '',
                 'homepage'      => '',
-                'visibility'    => 'public',
                 'private'       => false,
                 'has_issues'    => false,
                 'has_wiki'      => false,
@@ -374,7 +372,6 @@ public function shouldCreateUsingAllParams()
                 'name'          => 'l3l0Repo',
                 'description'   => 'test',
                 'homepage'      => 'http://l3l0.eu',
-                'visibility'    => 'private',
                 'private'       => true,
                 'has_issues'    => false,
                 'has_wiki'      => false,