php 5 being php5 :/

tests/Composer/Test/Repository/Vcs/GitLabDriverTest.php

@@ -217,7 +217,7 @@ JSON;
             ->shouldBeCalledTimes(1)
         ;
         $this->remoteFilesystem->getLastHeaders()
-          ->willReturn([]);
+          ->willReturn(array());
         
         $driver->setRemoteFilesystem($this->remoteFilesystem->reveal());
 
@@ -268,7 +268,7 @@ JSON;
         ;
 
         $this->remoteFilesystem->getLastHeaders()
-          ->willReturn(['Link: <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=2&per_page=20>; rel="next", <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=1&per_page=20>; rel="first", <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=3&per_page=20>; rel="last"'], ['Link: <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=2&per_page=20>; rel="prev", <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=1&per_page=20>; rel="first", <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=3&per_page=20>; rel="last"'])
+          ->willReturn(array('Link: <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=2&per_page=20>; rel="next", <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=1&per_page=20>; rel="first", <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=3&per_page=20>; rel="last"'), array('Link: <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=2&per_page=20>; rel="prev", <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=1&per_page=20>; rel="first", <http://gitlab.com/api/v4/projects/mygroup%2Fmyproject/repository/tags?id=mygroup%2Fmyproject&page=3&per_page=20>; rel="last"'))
           ->shouldBeCalledTimes(2);
 
         $driver->setRemoteFilesystem($this->remoteFilesystem->reveal());