/** * @test */ public function browserLanguageDetectionWorks() { $browserPreferredLanguageHeader = 'de-DE,de;q=0.8,en-US;q=0.6,en;q=0.4'; $detectedLanguage = $this->subject->getPreferredClientLanguage($browserPreferredLanguageHeader); $this->assertSame('de', $detectedLanguage); }