diff --git a/src/Symfony/Bridge/PhpUnit/Legacy/ForwardCompatTestTraitForV5.php b/src/Symfony/Bridge/PhpUnit/Legacy/ForwardCompatTestTraitForV5.php
index 29c019a82e..200f300c29 100644
--- a/src/Symfony/Bridge/PhpUnit/Legacy/ForwardCompatTestTraitForV5.php
+++ b/src/Symfony/Bridge/PhpUnit/Legacy/ForwardCompatTestTraitForV5.php
@@ -87,7 +87,7 @@ trait ForwardCompatTestTraitForV5
     }
 
     /**
-     * @param string $originalClassName
+     * @param string|string[] $originalClassName
      *
      * @return MockObject
      */
@@ -106,7 +106,8 @@ trait ForwardCompatTestTraitForV5
     }
 
     /**
-     * @param string $originalClassName
+     * @param string|string[] $originalClassName
+     * @param string[]        $methods
      *
      * @return MockObject
      */
diff --git a/src/Symfony/Bridge/PhpUnit/Legacy/ForwardCompatTestTraitForV7.php b/src/Symfony/Bridge/PhpUnit/Legacy/ForwardCompatTestTraitForV7.php
index f77239ef09..33b4b52c65 100644
--- a/src/Symfony/Bridge/PhpUnit/Legacy/ForwardCompatTestTraitForV7.php
+++ b/src/Symfony/Bridge/PhpUnit/Legacy/ForwardCompatTestTraitForV7.php
@@ -32,4 +32,19 @@ trait ForwardCompatTestTraitForV7
             ->disallowMockingUnknownTypes()
             ->getMock();
     }
+
+    /**
+     * @param string|string[] $originalClassName
+     * @param string[]        $methods
+     */
+    protected function createPartialMock($originalClassName, array $methods): MockObject
+    {
+        return $this->getMockBuilder($originalClassName)
+            ->disableOriginalConstructor()
+            ->disableOriginalClone()
+            ->disableArgumentCloning()
+            ->disallowMockingUnknownTypes()
+            ->setMethods(empty($methods) ? null : $methods)
+            ->getMock();
+    }
 }