Google\Cloud\Tests\Snippets\Vision\AnnotationTest::testInfo PHP Method

    public function testInfo()
    {
        $snippet = $this->snippetFromMethod(Annotation::class, 'info');
        $snippet->addLocal('annotation', new Annotation('foo'));
        $res = $snippet->invoke('info');
        $this->assertEquals('foo', $res->returnVal());
    }