minor #52689 [DependencyInjection] Fix tests on configuration prepend…

… (alexandre-daubois)

This PR was merged into the 7.1 branch.

Discussion
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[DependencyInjection] Fix tests on configuration prepend

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

Commits
-------

a206da9 [DependencyInjection] Fix tests on configuration prepend

src/Symfony/Component/HttpKernel/Tests/DependencyInjection/MergeExtensionConfigurationPassTest.php

@@ -48,7 +48,7 @@ public function testFooBundle()
         $configPass = new MergeExtensionConfigurationPass(['loaded', 'acme_foo']);
         $configPass->process($container);
 
-        $this->assertSame([[], ['bar' => 'baz']], $container->getExtensionConfig('loaded'), '->prependExtension() prepends an extension config');
+        $this->assertSame([['bar' => 'baz'], []], $container->getExtensionConfig('loaded'), '->prependExtension() prepends an extension config');
         $this->assertTrue($container->hasDefinition('acme_foo.foo'), '->loadExtension() registers a service');
         $this->assertTrue($container->hasDefinition('acme_foo.bar'), '->loadExtension() imports a service');
         $this->assertTrue($container->hasParameter('acme_foo.config'), '->loadExtension() sets a parameter');

src/Symfony/Component/HttpKernel/Tests/Fixtures/AcmeFooBundle/AcmeFooBundle.php

@@ -31,7 +31,7 @@ public function configure(DefinitionConfigurator $definition): void
 
     public function prependExtension(ContainerConfigurator $container, ContainerBuilder $builder): void
     {
-        $container->extension('loaded', ['bar' => 'baz'], true);
+        $builder->prependExtensionConfig('loaded', ['bar' => 'baz']);
     }
 
     public function loadExtension(array $config, ContainerConfigurator $container, ContainerBuilder $builder): void