Update the conditional for the marketing image chooser #1112
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What are the relevant tickets?
Closes mitodl/hq#4635
Description (What does it do?)
The
generateMarketingImageSrcuses a do..while to re-select a random marketing image if the image that we just displayed to the user is the one that gets selected again. This also needed to drop out of the loop if there wasn't a last marketing image, so now it does.How can this be tested?
Automated tests should pass. No real front-end change should be seen - the homepage should load and your testimonials images should be randomized and shouldn't repeat back-to-back (they will still repeat in the list as a whole).