How to test with Codeception if the page has meta-tag?

Question

e.g. to ensure that

<meta name="robots" content="noindex" />

does not exists on the page.

$I->wantTo('Check that page can be indexed');
$I->amOnPage('/');
$I->dontSeeInPageSource('<meta name="robots" content="noindex" />');

but it returns the error

Call to undefined method WebGuy::dontSeeInPageSource

Answer 1

To test it doesn't have the tag:

$I->dontSeeElementInDOM('meta[name=robots]');

To test it does have the tag:

$I->seeElementInDOM('meta[name=robots]');

Answer 2

$I->dontSeeElement('meta[name=robots]');