Google\Cloud\Tests\Snippets\Vision\VisionClientTest::testImage PHP Method

    public function testImage()
    {
        $snippet = $this->snippetFromMethod(VisionClient::class, 'image');
        $snippet->addLocal('vision', $this->client);
        $snippet->setLine(0, '$imageResource = fopen(\'php://temp\', \'r\');');
        $res = $snippet->invoke('image');
        $this->assertInstanceOf(Image::class, $res->returnVal());
    }