gistfile1.aw

<?php
    $loader = $this->getMock('Symfony\Component\Translation\Loader\LoaderInterface');
    $loader
      ->expects($this->exactly(2))
      ->method('load')
      ->with(
        $this->logicalOr(
            $this->equalTo($resource1),
            $this->equalTo($resource2)
        ),
        $this->logicalOr(
            $this->equalTo($locale),
            $this->equalTo($locale)
        ),
        $this->logicalOr(
            $this->equalTo('messages'),
            $this->equalTo('messages')
        )
      )
      ->will($this->returnCallback(function($actual_resource) use($resource1_message_catalogue, $resource2_message_catalogue, $resource1, $resource2) {
         if($actual_resource == $resource1) {
           return $resource1_message_catalogue;
         }

         if($actual_resource == $resource2) {
           return $resource2_message_catalogue;
         }
       }))
    ;