add test for Component.describe
add test for Component.describe

flightjs/flight,david84/flight,robertknight/flight,icecreamliker/flight,joelbyler/flight,Shinchy/flight,giuseppeg/flight,margaritis/flight,KyawNaingTun/flight,icecreamliker/flight,joelbyler/flight,flightjs/flight,robertknight/flight,Shinchy/flight,KyawNaingTun/flight,david84/flight