Allow to configure the application kernel's custom environment

features/configuration/autodiscovering_application_kernel.feature

@@ -78,7 +78,7 @@ Feature: Autodiscovering the application kernel
             protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader): void
             {
                 $container->loadFromExtension('framework', [
-                    'test' => $this->getEnvironment() === 'test',
+                    'test' => true,
                     'secret' => 'Pigeon',
                 ]);
 
@@ -118,7 +118,7 @@ Feature: Autodiscovering the application kernel
             protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader): void
             {
                 $container->loadFromExtension('framework', [
-                    'test' => $this->getEnvironment() === 'test',
+                    'test' => true,
                     'secret' => 'Pigeon',
                 ]);
 
@@ -164,7 +164,7 @@ Feature: Autodiscovering the application kernel
             protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader): void
             {
                 $container->loadFromExtension('framework', [
-                    'test' => $this->getEnvironment() === 'test',
+                    'test' => true,
                     'secret' => 'Pigeon',
                 ]);
 
@@ -200,7 +200,7 @@ Feature: Autodiscovering the application kernel
             protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader): void
             {
                 $container->loadFromExtension('framework', [
-                    'test' => $this->getEnvironment() === 'test',
+                    'test' => true,
                     'secret' => 'Pigeon',
                 ]);
 

features/configuration/configuring_application_kernel.feature

@@ -57,3 +57,21 @@ Feature: Configuring application kernel
         """
         When I run Behat
         Then it should pass
+
+    Scenario: Using configured environment
+        Given a Behat configuration containing:
+        """
+        default:
+            extensions:
+                FriendsOfBehat\SymfonyExtension:
+                    kernel:
+                        environment: custom
+        """
+        And a feature file containing:
+        """
+        Feature:
+            Scenario:
+                Then the application kernel should have environment "custom"
+        """
+        When I run Behat
+        Then it should pass

features/configuration/loading_configured_application_kernel.feature

@@ -83,7 +83,7 @@ Feature: Loading configured application kernel
             protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader): void
             {
                 $container->loadFromExtension('framework', [
-                    'test' => $this->getEnvironment() === 'test',
+                    'test' => true,
                     'secret' => 'Pigeon',
                 ]);
 
@@ -132,7 +132,7 @@ Feature: Loading configured application kernel
             protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader): void
             {
                 $container->loadFromExtension('framework', [
-                    'test' => $this->getEnvironment() === 'test',
+                    'test' => true,
                     'secret' => 'Pigeon',
                 ]);
 

src/ServiceContainer/SymfonyExtension.php

@@ -57,6 +57,7 @@ final class SymfonyExtension implements Extension
                     ->children()
                         ->scalarNode('path')->defaultNull()->end()
                         ->scalarNode('class')->defaultNull()->end()
+                        ->scalarNode('environment')->defaultValue('test')->end()
                     ->end()
                 ->end()
             ->end()
@@ -98,7 +99,7 @@ final class SymfonyExtension implements Extension
     private function loadKernel(ContainerBuilder $container, array $config): void
     {
         $definition = new Definition($config['class'], [
-            'test',
+            $config['environment'],
             true,
         ]);
         $definition->addMethodCall('boot');