fix getMock usage

Author: nicolas-grekas

src/Symfony/Component/Security/Core/Tests/User/LdapUserProviderTest.php

@@ -156,14 +156,14 @@ public function testLoadUserByUsernameFailsIfMoreThanOneLdapPasswordsInEntry()
      */
     public function testLoadUserByUsernameFailsIfEntryHasNoUidKeyAttribute()
     {
-        $result = $this->getMock(CollectionInterface::class);
-        $query = $this->getMock(QueryInterface::class);
+        $result = $this->getMockBuilder(CollectionInterface::class)->getMock();
+        $query = $this->getMockBuilder(QueryInterface::class)->getMock();
         $query
             ->expects($this->once())
             ->method('execute')
             ->will($this->returnValue($result))
         ;
-        $ldap = $this->getMock(LdapInterface::class);
+        $ldap = $this->getMockBuilder(LdapInterface::class)->getMock();
         $result
             ->expects($this->once())
             ->method('offsetGet')
@@ -321,14 +321,14 @@ public function testLoadUserByUsernameIsSuccessfulWithoutPasswordAttributeAndWro
 
     public function testLoadUserByUsernameIsSuccessfulWithPasswordAttribute()
     {
-        $result = $this->getMock(CollectionInterface::class);
-        $query = $this->getMock(QueryInterface::class);
+        $result = $this->getMockBuilder(CollectionInterface::class)->getMock();
+        $query = $this->getMockBuilder(QueryInterface::class)->getMock();
         $query
             ->expects($this->once())
             ->method('execute')
             ->will($this->returnValue($result))
         ;
-        $ldap = $this->getMock(LdapInterface::class);
+        $ldap = $this->getMockBuilder(LdapInterface::class)->getMock();
         $result
             ->expects($this->once())
             ->method('offsetGet')