diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Routing/RouterTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Routing/RouterTest.php
index 47f1fbbb24..f7971cb733 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Routing/RouterTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Routing/RouterTest.php
@@ -405,7 +405,7 @@ class RouterTest extends TestCase
     public function testExceptionOnNonStringParameterWithSfContainer()
     {
         $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
-        $this->expectExceptionMessage('The container parameter "object", used in the route configuration value "/%object%", must be a string or numeric, but it is of type object.');
+        $this->expectExceptionMessage('The container parameter "object", used in the route configuration value "/%object%", must be a string or numeric, but it is of type "object".');
         $routes = new RouteCollection();
 
         $routes->add('foo', new Route('/%object%'));
diff --git a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/Compiler/AddSecurityVotersPass.php b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/Compiler/AddSecurityVotersPass.php
index 87103c37a3..c3c7b86ab2 100644
--- a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/Compiler/AddSecurityVotersPass.php
+++ b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/Compiler/AddSecurityVotersPass.php
@@ -52,7 +52,7 @@ class AddSecurityVotersPass implements CompilerPassInterface
             $class = $container->getParameterBag()->resolveValue($definition->getClass());
 
             if (!is_a($class, VoterInterface::class, true)) {
-                throw new LogicException(sprintf('%s must implement the %s when used as a voter.', $class, VoterInterface::class));
+                throw new LogicException(sprintf('"%s" must implement the "%s" when used as a voter.', $class, VoterInterface::class));
             }
 
             if ($debug) {
diff --git a/src/Symfony/Component/Security/Guard/Tests/Provider/GuardAuthenticationProviderTest.php b/src/Symfony/Component/Security/Guard/Tests/Provider/GuardAuthenticationProviderTest.php
index de1212978e..816bd09730 100644
--- a/src/Symfony/Component/Security/Guard/Tests/Provider/GuardAuthenticationProviderTest.php
+++ b/src/Symfony/Component/Security/Guard/Tests/Provider/GuardAuthenticationProviderTest.php
@@ -121,7 +121,7 @@ class GuardAuthenticationProviderTest extends TestCase
 
     /**
      * @group legacy
-     * @expectedDeprecation %s::checkCredentials() must return a boolean value. You returned NULL. This behavior is deprecated in Symfony 4.4 and will trigger a TypeError in Symfony 5.
+     * @expectedDeprecation "%s::checkCredentials()" must return a boolean value. You returned "NULL". This behavior is deprecated in Symfony 4.4 and will trigger a TypeError in Symfony 5.
      */
     public function testCheckCredentialsReturningNonTrueFailsAuthentication()
     {
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/Features/ConstructorArgumentsTestTrait.php b/src/Symfony/Component/Serializer/Tests/Normalizer/Features/ConstructorArgumentsTestTrait.php
index 40cd02f19c..3d4ce26937 100644
--- a/src/Symfony/Component/Serializer/Tests/Normalizer/Features/ConstructorArgumentsTestTrait.php
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/Features/ConstructorArgumentsTestTrait.php
@@ -55,7 +55,7 @@ trait ConstructorArgumentsTestTrait
         $normalizer = $this->getDenormalizerForConstructArguments();
 
         $this->expectException(MissingConstructorArgumentsException::class);
-        $this->expectExceptionMessage('Cannot create an instance of '.ConstructorArgumentsObject::class.' from serialized data because its constructor requires parameter "bar" to be present.');
+        $this->expectExceptionMessage('Cannot create an instance of "'.ConstructorArgumentsObject::class.'" from serialized data because its constructor requires parameter "bar" to be present.');
         $normalizer->denormalize($data, ConstructorArgumentsObject::class);
     }
 }