APIRestTest::testInlineDocumentation PHP Метод

    public function testInlineDocumentation()
    {
        $res = $this->doHttpRequest('GET');
        $this->assertNotEquals(null, $res, $this->last_error);
        $this->assertEquals(200, $res->getStatusCode());
        $headers = $res->getHeaders();
        $this->assertArrayHasKey('Content-Type', $headers);
        $this->assertContains('text/html; charset=UTF-8', $headers['Content-Type'][0]);
    }