p5.dom: Added unit test for createDiv html
p5.dom: Added unit test for createDiv html

Signed-off-by: austin <2be56648d00b710a0d01d15187118f8af6aaacde@gmail.com>

processing/p5.js,joecridge/p5.js,bomoko/p5.js,mlarghydracept/p5.js,nucliweb/p5.js,sakshamsaxena/p5.js,kennethdmiller3/p5.js,dhowe/p5.js,processing/p5.js,dhowe/p5.js,nucliweb/p5.js,kennethdmiller3/p5.js,mlarghydracept/p5.js,sakshamsaxena/p5.js,limzykenneth/p5.js,joecridge/p5.js,bomoko/p5.js,limzykenneth/p5.js