test: missing variable

Author: soyuka

tests/Functional/Parameters/LinkProviderParameterTest.php

@@ -166,6 +166,7 @@ public function testLinkSecurityWithConstraint(): void
 
  public function testUriVariableHasDummy(): void
  {
+ $container = static::getContainer();
  if ('mongodb' === $container->getParameter('kernel.environment')) {
  $this->markTestSkipped();
  }