Merge branch '4.4' into 5.1

* 4.4:
  [HttpKernel] Adjust tests to new "class not found" error message format.
  Don't call createMock with an array of interfaces.
  [FrameworkBundle] Fix Tests on PHPUnit 9.3.
  [WebProfilerBundle] Fix Tests on PHPUnit 9.3.
  esmtp error not being thrown properly
  [Yaml Parser] fixed Parser to skip comments when inlining sequences
  [DI] fix generating preload file when cache_dir is outside project_dir
  Fix CacheCollectorPass with decorated cache pools
  [PhpUnitBridge] CoverageListenerTrait update for PHPUnit 8.5/9.x
  Remove invalid instantiation declaration
  [PropertyInfo] Fix typed collections in PHP 7.4

Author: fabpot

Tests/Extension/Core/DataTransformer/StringToFloatTransformerTest.php

@@ -16,18 +16,6 @@
 
 class StringToFloatTransformerTest extends TestCase
 {
-    private $transformer;
-
-    protected function setUp(): void
-    {
-        $this->transformer = new StringToFloatTransformer();
-    }
-
-    protected function tearDown(): void
-    {
-        $this->transformer = null;
-    }
-
     public function provideTransformations(): array
     {
         return [