Add a regression test for floats stored in JSON fields being serialized correctly.
Add a regression test for floats stored in JSON fields being serialized correctly.

grzes/djangae,potatolondon/djangae,grzes/djangae,kirberich/djangae,asendecka/djangae,kirberich/djangae,armirusco/djangae,armirusco/djangae,potatolondon/djangae,grzes/djangae,armirusco/djangae,asendecka/djangae,kirberich/djangae,asendecka/djangae