CS fixes

Author: nicolas-grekas

Core/Authentication/Provider/UserAuthenticationProvider.php

@@ -81,7 +81,7 @@ public function authenticate(TokenInterface $token)
             $this->userChecker->checkPreAuth($user);
             $this->checkAuthentication($user, $token);
             $this->userChecker->checkPostAuth($user);
-        } catch (AccountStatusException | BadCredentialsException $e) {
+        } catch (AccountStatusException|BadCredentialsException $e) {
             if ($this->hideUserNotFoundExceptions) {
                 throw new BadCredentialsException('Bad credentials.', 0, $e);
             }

Http/Tests/Firewall/UsernamePasswordFormAuthenticationListenerTest.php

@@ -160,7 +160,7 @@ public function testHandleNonStringUsernameWithObject(bool $postOnly)
     /**
      * @dataProvider postOnlyDataProvider
      */
-    public function testHandleNonStringUsernameWith__toString(bool $postOnly)
+    public function testHandleNonStringUsernameWithToString(bool $postOnly)
     {
         $usernameClass = $this->createMock(DummyUserClass::class);
         $usernameClass