feat: add initial clipboard tests#381

gonfunko merged 1 commit intoRaspberryPiFoundation:mainRaspberryPiFoundation/blockly-keyboard-experimentation:mainfrom

microbit-matt-hillsdon:initial-e2e-testmicrobit-matt-hillsdon/blockly-keyboard-experimentation:initial-e2e-testCopy head branch name to clipboard