chore(run): tweak some tests so that TypeScript compiles
chore(run): tweak some tests so that TypeScript compiles

ISSUES CLOSED: #871

cyclejs/cyclejs,ntilwalli/cyclejs,staltz/cycle,cyclejs/cyclejs,cyclejs/cycle-core,cyclejs/cycle-core,ntilwalli/cyclejs,cyclejs/cyclejs,ntilwalli/cyclejs,cyclejs/cyclejs,ntilwalli/cyclejs,staltz/cycle