minor #22178 [Console] Fix test (nicolas-grekas)

This PR was merged into the 3.2 branch.

Discussion
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[Console] Fix test

| Q             | A
| ------------- | ---
| Branch?       | 3.2
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

To make appveyor green again.

Commits
-------

e9c3df6c94 [Console] Fix test

src/Symfony/Component/Console/Tests/Logger/ConsoleLoggerTest.php

@@ -70,7 +70,7 @@ class ConsoleLoggerTest extends TestCase
         $logger = new ConsoleLogger($out, $addVerbosityLevelMap);
         $logger->log($logLevel, 'foo bar');
         $logs = $out->fetch();
-        $this->assertEquals($isOutput ? "[$logLevel] foo bar\n" : '', $logs);
+        $this->assertEquals($isOutput ? "[$logLevel] foo bar".PHP_EOL : '', $logs);
     }
 
     public function provideOutputMappingParams()