Add tests for context initializers

features/sanity_checks/context_initializer_compatibility.feature

@@ -0,0 +1,71 @@
+Feature: Context initializer compatibility
+
+    Scenario: Using class resolvers while handling context environment
+        Given a working Symfony application with SymfonyExtension configured
+        And a Behat configuration containing:
+        """
+        default:
+            extensions:
+                FriendsOfBehat\ServiceContainerExtension:
+                    imports:
+                        - "tests/context_initializer.yml"
+
+            suites:
+                default:
+                    contexts:
+                        - App\Tests\SomeContext
+        """
+        And a Behat services definition file "tests/context_initializer.yml" containing:
+        """
+        services:
+            App\Tests\CustomContextInitializer:
+                tags: ["context.initializer"]
+        """
+        And a Behat service implementation file "tests/CustomContextInitializer.php" containing:
+        """
+        <?php
+
+        namespace App\Tests;
+
+        use Behat\Behat\Context\Context;
+        use Behat\Behat\Context\Initializer\ContextInitializer;
+
+        final class CustomContextInitializer implements ContextInitializer
+        {
+            public function initializeContext(Context $context): void
+            {
+                $context->makeItPass(true);
+            }
+        }
+        """
+        And a feature file containing:
+        """
+        Feature:
+            Scenario:
+                Then it should pass
+        """
+        And a context file "tests/SomeContext.php" containing:
+        """
+        <?php
+
+        namespace App\Tests;
+
+        use Behat\Behat\Context\Context;
+
+        final class SomeContext implements Context {
+            private $shouldPass = false;
+
+            public function makeItPass(bool $shouldPass)
+            {
+                $this->shouldPass = $shouldPass;
+            }
+
+            /** @Then it should pass */
+            public function itShouldPass(): void
+            {
+                assert($this->shouldPass === true);
+            }
+        }
+        """
+        When I run Behat
+        Then it should pass