Google\Cloud\Tests\Snippets\Speech\OperationTest::testResults PHP Method

    public function testResults()
    {
        $snippet = $this->snippetFromMethod(Operation::class, 'results');
        $snippet->addLocal('operation', $this->operation);
        $res = $snippet->invoke('results');
        $this->assertEquals($this->opData['response']['results'][0]['alternatives'], $res->returnVal());
    }