minor #17414 Remove useless duplicated tests (WouterJ)

This PR was merged into the 2.3 branch.

Discussion
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Remove useless duplicated tests

Although there isn't much speed difference, it makes no sense to run the same test twice.

| Q | A
| --- | ---
| License | MIT
| Fixed tickets | -

Commits
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deab127 Remove useless duplicated tests

src/Symfony/Component/HttpFoundation/Tests/RequestTest.php

@@ -17,11 +17,6 @@ use Symfony\Component\HttpFoundation\Request;
 
 class RequestTest extends \PHPUnit_Framework_TestCase
 {
-    public function testConstructor()
-    {
-        $this->testInitialize();
-    }
-
     public function testInitialize()
     {
         $request = new Request();