core, miner, rpc, eth: fix goroutine leaks in tests#24211

Merged

holiman merged 2 commits intoethereum:masterfrom charlesxsh:gfuzzissues

Jan 21, 2022

+50-26

Commits on Jan 14, 2022

fix blocking and non-blocking issues
charlesxsh
committed

Commits on Jan 18, 2022

core: revert change in blockchain.go
holiman
committed