Neos\Flow\Tests\Unit\Http\HeadersTest::setOverridesAnyPreviouslyDefinedCacheControlDirectives PHP Method

    public function setOverridesAnyPreviouslyDefinedCacheControlDirectives()
    {
        $headers = new Headers();
        $headers->setCacheControlDirective('public');
        $headers->set('Cache-Control', 'max-age=600, must-revalidate');
        $this->assertEquals('max-age=600, must-revalidate', $headers->get('Cache-Control'));
    }