public function testMigrationsPath()
 {
     $extension = new Extension($bag = m::mock('Cartalyst\\Extensions\\ExtensionBag'), 'foo/bar', 'path/to/extension', array('migrations_path' => 'migrations/path'));
     $this->assertEquals('path/to/extension/migrations/path', $extension->getMigrationsPath());
     $extension->migrations_path = 'path: /foo/bar';
     $this->assertEquals('/foo/bar', $extension->getMigrationsPath());
 }