cleanups

Author: nicolas-grekas

Tests/RequestTest.php

@@ -1549,7 +1549,6 @@ public function testGetLanguages()
         $request = new Request();
         $request->headers->set('Accept-language', 'zh, en-us; q=0.8, en; q=0.6');
         $this->assertEquals(['zh', 'en_US', 'en'], $request->getLanguages());
-        $this->assertEquals(['zh', 'en_US', 'en'], $request->getLanguages());
 
         $request = new Request();
         $request->headers->set('Accept-language', 'zh, en-us; q=0.6, en; q=0.8');

Tests/ResponseTest.php

@@ -532,7 +532,6 @@ public function testPrepareRemovesContentForInformationalResponse()
         $response->prepare($request);
         $this->assertEquals('', $response->getContent());
         $this->assertFalse($response->headers->has('Content-Type'));
-        $this->assertFalse($response->headers->has('Content-Type'));
 
         $response->setContent('content');
         $response->setStatusCode(304);