public function testEnsureInstanceOfFailed()
{
$this->setExpectedException(self::ENSURE_EXCEPTION, 'check 1 2 3');
$a = new Bar();
$this->assertEquals($a, Ensure::isInstanceOf('twentysteps\\Commons\\EnsureBundle\\Tests\\Foo', $a, 'check %s %s %s', 1, 2, 3));
}