AUI-4135 reveal-text: Upgrade reveal text to use kickflip
AUI-4135 reveal-text: Pass tests for reveal-text and expander
AUI-4135 reveal-text: Explicitly call render in the reveal-text tests instead of in the component code
AUI-4135 reveal-text: Upgrade reveal text to use kickflip
AUI-4135 reveal-text: Pass tests for reveal-text and expander
AUI-4135 reveal-text: Explicitly call render in the reveal-text tests instead of in the component code