function testCreateWorkspace()
 {
     $http = m::mock(new Services_Twilio_TinyHttp());
     $http->shouldReceive('post')->once()->with('/v1/Workspaces', array('Content-Type' => 'application/x-www-form-urlencoded'), 'FriendlyName=Test+Workspace')->andReturn(array(200, array('Content-Type' => 'application/json'), json_encode(array('sid' => 'WS123'))));
     $workspace = TaskRouter_Services_Twilio::createWorkspace('AC123', '123', 'Test Workspace', array(), $http);
     $this->assertNotNull($workspace);
 }