diff --git a/src/autoload.php b/src/autoload.php
index 41849560..8a51cb90 100644
--- a/src/autoload.php
+++ b/src/autoload.php
@@ -1,23 +1,14 @@
 <?php // phpcs:disable WebimpressCodingStandard.PHP.CorrectClassNameCase.Invalid
 
-
 declare(strict_types=1);
 
-use Interop\Container\ContainerInterface as InteropContainerInterface;
+use Interop\Container\Containerinterface as InteropContainerInterface;
 use Interop\Container\Exception\ContainerException as InteropContainerException;
 use Interop\Container\Exception\NotFoundException as InteropNotFoundException;
 use Psr\Container\ContainerExceptionInterface;
 use Psr\Container\ContainerInterface;
 use Psr\Container\NotFoundExceptionInterface;
 
-if (! class_exists(InteropContainerInterface::class)) {
-    class_alias(ContainerInterface::class, InteropContainerInterface::class);
-}
-
-if (! class_exists(InteropContainerException::class)) {
-    class_alias(ContainerExceptionInterface::class, InteropContainerException::class);
-}
-
-if (! class_exists(InteropNotFoundException::class)) {
-    class_alias(NotFoundExceptionInterface::class, InteropNotFoundException::class);
-}
+class_alias(ContainerInterface::class, InteropContainerInterface::class);
+class_alias(ContainerExceptionInterface::class, InteropContainerException::class);
+class_alias(NotFoundExceptionInterface::class, InteropNotFoundException::class);
diff --git a/test/ServiceManagerContainerInteropIntegrationTest.php b/test/ServiceManagerContainerInteropIntegrationTest.php
new file mode 100644
index 00000000..5f3ef108
--- /dev/null
+++ b/test/ServiceManagerContainerInteropIntegrationTest.php
@@ -0,0 +1,57 @@
+<?php // phpcs:disable WebimpressCodingStandard.PHP.CorrectClassNameCase.Invalid
+declare(strict_types=1);
+
+namespace LaminasTest\ServiceManager;
+
+use Interop\Container\Exception\ContainerException;
+use Interop\Container\Exception\NotFoundException;
+use Laminas\ServiceManager\ServiceManager;
+use PHPUnit\Framework\TestCase;
+
+final class ServiceManagerContainerInteropIntegrationTest extends TestCase
+{
+    /** @var ServiceManager */
+    private $container;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->container = new ServiceManager([]);
+    }
+
+    /**
+     * NOTE: using try-catch here is to avoid phpunits exception comparison.
+     *       PHPUnit is not directly catching specific exceptions when using {@see TestCase::expectException()}
+     *       but catches {@see Throwable} and does an "instanceof" comparison.
+     */
+    public function testUpstreamCanCatchNotFoundException(): void
+    {
+        try {
+            $this->container->get('unexisting service');
+            $this->fail('No exception was thrown.');
+        } catch (NotFoundException $exception) {
+            self::assertStringContainsString(
+                'Unable to resolve service "unexisting service" to a factory',
+                $exception->getMessage()
+            );
+        }
+    }
+
+    /**
+     * NOTE: using try-catch here is to avoid phpunits exception comparison.
+     *       PHPUnit is not directly catching specific exceptions when using {@see TestCase::expectException()}
+     *       but catches {@see Throwable} and does an "instanceof" comparison.
+     */
+    public function testUpstreamCanCatchContainerException(): void
+    {
+        try {
+            $this->container->get('unexisting service');
+            $this->fail('No exception was thrown.');
+        } catch (ContainerException $exception) {
+            self::assertStringContainsString(
+                'Unable to resolve service "unexisting service" to a factory',
+                $exception->getMessage()
+            );
+        }
+    }
+}