diff --git a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/default_option_with_normalizer.txt b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/default_option_with_normalizer.txt
index 87d656a3fa..391c3e694d 100644
--- a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/default_option_with_normalizer.txt
+++ b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/default_option_with_normalizer.txt
@@ -15,9 +15,9 @@ Symfony\Component\Form\Extension\Core\Type\ChoiceType (choice_translation_domain
  ---------------- --------------------%s 
   Allowed values   -                  %s 
  ---------------- --------------------%s 
-  Normalizer       Closure%s{         %s 
+  Normalizer       Closure%s{%w
                      parameters: 2    %s 
-                     file: "%s%eExtension%eCore%eType%eChoiceType.php"  
+                     file: "%s%eExtension%eCore%eType%eChoiceType.php"%w
                      line: "%s to %s" %s 
                    }                  %s 
  ---------------- --------------------%s 
diff --git a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/overridden_option_with_default_closures.txt b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/overridden_option_with_default_closures.txt
index 967d177c7e..846d6f3846 100644
--- a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/overridden_option_with_default_closures.txt
+++ b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/overridden_option_with_default_closures.txt
@@ -8,14 +8,14 @@ Symfony\Component\Form\Tests\Console\Descriptor\FooType (empty_data)
   Default          Value: null          %s 
                                         %s 
                    Closure(s): [        %s 
-                     Closure%s{         %s 
+                     Closure%s{%w
                        parameters: 1    %s 
-                       file: "%s%eExtension%eCore%eType%eFormType.php"                     
+                       file: "%s%eExtension%eCore%eType%eFormType.php"%w
                        line: "%s to %s" %s 
                      },                 %s 
-                     Closure%s{         %s 
+                     Closure%s{%w
                        parameters: 2    %s 
-                       file: "%s%eTests%eConsole%eDescriptor%eAbstractDescriptorTest.php"  
+                       file: "%s%eTests%eConsole%eDescriptor%eAbstractDescriptorTest.php"%w
                        line: "%s to %s" %s 
                      }                  %s 
                    ]                    %s 
diff --git a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/required_option_with_allowed_values.txt b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/required_option_with_allowed_values.txt
index 0d2e7f44d9..8cc88a550a 100644
--- a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/required_option_with_allowed_values.txt
+++ b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/required_option_with_allowed_values.txt
@@ -16,9 +16,9 @@ Symfony\Component\Form\Tests\Console\Descriptor\FooType (foo)
                      "baz"            %s 
                    ]                  %s 
  ---------------- --------------------%s 
-  Normalizer       Closure%s{         %s 
+  Normalizer       Closure%s{%w
                      parameters: 2    %s 
-                     file: "%s%eTests%eConsole%eDescriptor%eAbstractDescriptorTest.php"  
+                     file: "%s%eTests%eConsole%eDescriptor%eAbstractDescriptorTest.php"%w
                      line: "%s to %s" %s 
                    }                  %s 
  ---------------- --------------------%s 
diff --git a/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php b/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php
index 7a10ac1f7e..6c265b98bd 100644
--- a/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php
+++ b/src/Symfony/Component/Lock/Tests/Store/SemaphoreStoreTest.php
@@ -46,13 +46,22 @@ class SemaphoreStoreTest extends AbstractStoreTest
 
     private function getOpenedSemaphores()
     {
+        if ('Darwin' === PHP_OS) {
+            $lines = explode(PHP_EOL, trim(`ipcs -s`));
+            if (-1 === $start = array_search('Semaphores:', $lines)) {
+                throw new \Exception('Failed to extract list of opened semaphores. Expected a Semaphore list, got '.implode(PHP_EOL, $lines));
+            }
+
+            return \count(\array_slice($lines, ++$start));
+        }
+
         $lines = explode(PHP_EOL, trim(`LC_ALL=C ipcs -su`));
         if ('------ Semaphore Status --------' !== $lines[0]) {
-            throw new \Exception('Failed to extract list of opend semaphores. Expect a Semaphore status, got '.implode(PHP_EOL, $lines));
+            throw new \Exception('Failed to extract list of opened semaphores. Expected a Semaphore status, got '.implode(PHP_EOL, $lines));
         }
         list($key, $value) = explode(' = ', $lines[1]);
         if ('used arrays' !== $key) {
-            throw new \Exception('Failed to extract list of opend semaphores. Expect a used arrays key, got '.implode(PHP_EOL, $lines));
+            throw new \Exception('Failed to extract list of opened semaphores. Expected a "used arrays" key, got '.implode(PHP_EOL, $lines));
         }
 
         return (int) $value;