Then I should see the Canvas editor

Assert the Canvas editor is, or is not, on screen, via its preview frame.

Examples

Then I should see the Canvas editor
And we should see the Canvas editor
Then should see the Canvas editor
And I should not see the Canvas editor
Then we should not see the Canvas editor

Pattern

Then(/^(I |we )*should( not)* see the Canvas editor$/, …)

Part of @webship-js/drupal-cms-steps (github.com/webship/drupal-cms-steps), a step pack for Webship-js 2.0.x.