Merge branch '5.1' into 5.2

* 5.1:
  Use import instead of FQCN

Author: nicolas-grekas

Tests/Constraints/AtLeastOneOfTest.php

@@ -14,6 +14,7 @@
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Validator\Constraints\AtLeastOneOf;
 use Symfony\Component\Validator\Constraints\Valid;
+use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
 
 /**
  * @author Przemysław Bogusz <[email protected]>
@@ -22,15 +23,15 @@ class AtLeastOneOfTest extends TestCase
 {
     public function testRejectNonConstraints()
     {
-        $this->expectException(\Symfony\Component\Validator\Exception\ConstraintDefinitionException::class);
+        $this->expectException(ConstraintDefinitionException::class);
         new AtLeastOneOf([
             'foo',
         ]);
     }
 
     public function testRejectValidConstraint()
     {
-        $this->expectException(\Symfony\Component\Validator\Exception\ConstraintDefinitionException::class);
+        $this->expectException(ConstraintDefinitionException::class);
         new AtLeastOneOf([
             new Valid(),
         ]);

Tests/Constraints/HostnameValidatorTest.php

@@ -13,6 +13,7 @@
 
 use Symfony\Component\Validator\Constraints\Hostname;
 use Symfony\Component\Validator\Constraints\HostnameValidator;
+use Symfony\Component\Validator\Exception\UnexpectedValueException;
 use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
 
 /**
@@ -36,7 +37,7 @@ public function testEmptyStringIsValid()
 
     public function testExpectsStringCompatibleType()
     {
-        $this->expectException(\Symfony\Component\Validator\Exception\UnexpectedValueException::class);
+        $this->expectException(UnexpectedValueException::class);
 
         $this->validator->validate(new \stdClass(), new Hostname());
     }