Re-enable previously failing PHP 7.4 test cases

Author: nicolas-grekas

Tests/CacheWarmer/ValidatorCacheWarmerTest.php

@@ -21,11 +21,6 @@
 
 class ValidatorCacheWarmerTest extends TestCase
 {
-    /**
-     * @group issue-32995
-     *
-     * @runInSeparateProcess https://github.com/symfony/symfony/issues/32995
-     */
     public function testWarmUp()
     {
         $validatorBuilder = new ValidatorBuilder();

Tests/Command/YamlLintCommandTest.php

@@ -72,29 +72,12 @@ public function testGetHelp()
     {
         $command = new YamlLintCommand();
         $expected = <<<EOF
-The <info>%command.name%</info> command lints a YAML file and outputs to STDOUT
-the first encountered syntax error.
-
-You can validates YAML contents passed from STDIN:
-
-  <info>cat filename | php %command.full_name%</info>
-
-You can also validate the syntax of a file:
-
-  <info>php %command.full_name% filename</info>
-
-Or of a whole directory:
-
-  <info>php %command.full_name% dirname</info>
-  <info>php %command.full_name% dirname --format=json</info>
-
 Or find all files in a bundle:
 
   <info>php %command.full_name% @AcmeDemoBundle</info>
-
 EOF;
 
-        $this->assertEquals($expected, $command->getHelp());
+        $this->assertStringContainsString($expected, $command->getHelp());
     }
 
     public function testLintFilesFromBundleDirectory()