/**
  * @expectedException \Laelaps\Bundle\Facebook\Exception\InvalidFacebookConfigurationPrefix
  */
 public function testThatInvalidPrefixIsDetected()
 {
     TestExtension::setFacebookConfigurationPrefix($arbitraryNumberInsteadOfString = 123);
     $this->assertFalse(TestExtension::isLoaded());
     $this->getKernel();
     $this->assertTrue(TestExtension::isLoaded());
 }
 /**
  * {@inheritDoc}
  */
 public function tearDown()
 {
     TestExtension::setPhpUnitTestCase(null);
 }