refactor(mdag, bserv, bs) mocks

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>
add Delay

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>
add delayed datastore

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>
refactor

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>