Add support for class resolvers

features/sanity_checks/class_resolvers_compatibility.feature

@@ -0,0 +1,65 @@
+Feature: Class resolvers 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/class_resolver.yml"
+
+            suites:
+                default:
+                    contexts:
+                        - class:resolved:context
+        """
+        And a Behat services definition file "tests/class_resolver.yml" containing:
+        """
+        services:
+            App\Tests\CustomClassResolver:
+                tags: ["context.class_resolver"]
+        """
+        And a Behat service implementation file "tests/CustomClassResolver.php" containing:
+        """
+        <?php
+
+        namespace App\Tests;
+
+        use Behat\Behat\Context\ContextClass\ClassResolver;
+
+        final class CustomClassResolver implements ClassResolver
+        {
+            public function supportsClass($contextClass): bool
+            {
+                return $contextClass === 'class:resolved:context';
+            }
+
+            public function resolveClass($contextClass): string
+            {
+                return 'App\Tests\SomeContext';
+            }
+        }
+        """
+        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 {
+            /** @Then it should pass */
+            public function itShouldPass(): void {}
+        }
+        """
+        When I run Behat
+        Then it should pass