LET url = @lab.cdn.dynamic + "?redirect=/events"
LET doc = DOCUMENT(url, true)
LET selector = "#wait-class-btn"

WAIT_ELEMENT(doc, "#page-events")

LET el = ELEMENT(doc, selector)

ATTR_SET(el, "style", "width: 100%")
WAIT_STYLE(doc, selector, "width", "100%")

LET prev = el.style

ATTR_SET(el, "style", "width: 50%")
WAIT_NO_STYLE(doc, selector, "width", "100%")

LET curr = el.style

T::EQ(prev.width, "100%")
T::EQ(curr.width, "50%")

RETURN NONE