diff --git a/tests/http/ErrorHandlerTest.php b/tests/http/ErrorHandlerTest.php
index e339a648..0d5795df 100644
--- a/tests/http/ErrorHandlerTest.php
+++ b/tests/http/ErrorHandlerTest.php
@@ -106,7 +106,7 @@ public function testHandleExceptionWithGenericException(): void
         );
     }
 
-    #[TestWith(['apache'])]
+    #[TestWith(['apache2handler'])]
     #[TestWith(['cli'])]
     public function testHandleExceptionWithHttpException(string $sapi): void
     {
diff --git a/tests/http/StatelessApplicationTest.php b/tests/http/StatelessApplicationTest.php
index 2497bcc5..29a5b83c 100644
--- a/tests/http/StatelessApplicationTest.php
+++ b/tests/http/StatelessApplicationTest.php
@@ -19,6 +19,7 @@
 use yii2\extensions\psrbridge\http\{ErrorHandler, Request, Response};
 use yii2\extensions\psrbridge\tests\provider\StatelessApplicationProvider;
 use yii2\extensions\psrbridge\tests\support\FactoryHelper;
+use yii2\extensions\psrbridge\tests\support\stub\HTTPFunctions;
 use yii2\extensions\psrbridge\tests\TestCase;
 
 use function array_fill;
@@ -50,6 +51,8 @@ protected function tearDown(): void
     {
         $this->closeApplication();
 
+        HTTPFunctions::reset();
+
         parent::tearDown();
     }
 
@@ -724,6 +727,57 @@ public function testRecalculateMemoryLimitAfterResetAndIniChange(): void
         ini_set('memory_limit', $originalLimit);
     }
 
+    public function testRenderExceptionWithRawFormat(): void
+    {
+        HTTPFunctions::set_sapi('apache2handler');
+
+        $_SERVER = [
+            'REQUEST_METHOD' => 'GET',
+            'REQUEST_URI' => 'site/trigger-exception',
+        ];
+
+        $request = FactoryHelper::createServerRequestCreator()->createFromGlobals();
+
+        $app = $this->statelessApplication(
+            [
+                'components' => [
+                    'response' => [
+                        'format' => Response::FORMAT_RAW,
+                    ],
+                    'errorHandler' => [
+                        'errorAction' => null,
+                    ],
+                ],
+            ],
+        );
+
+        $response = $app->handle($request);
+
+        self::assertSame(
+            500,
+            $response->getStatusCode(),
+            "Response 'status code' should be '500' for exception with RAW format.",
+        );
+
+        $body = $response->getBody()->getContents();
+
+        self::assertStringContainsString(
+            'yii\base\Exception',
+            $body,
+            'RAW format response should contain exception class name.',
+        );
+        self::assertStringContainsString(
+            'Exception error message.',
+            $body,
+            'RAW format response should contain exception message.',
+        );
+        self::assertStringNotContainsString(
+            '<pre>',
+            $body,
+            'RAW format response should not contain HTML tags.',
+        );
+    }
+
     /**
      * @throws InvalidConfigException if the configuration is invalid or incomplete.
      */