parsing-tests: use shorter work assignment period
parsing-tests: use shorter work assignment period

arifogel/batfish,dhalperi/batfish,intentionet/batfish,dhalperi/batfish,batfish/batfish,intentionet/batfish,intentionet/batfish,batfish/batfish,dhalperi/batfish,batfish/batfish,intentionet/batfish,intentionet/batfish,arifogel/batfish,arifogel/batfish