* Restart node test (#3459)
* Add test to local_cluster for restarting a node
* fix so that we don't hit end of epoch - leader not found before trying to transfer
* Do not look for confirmations, b/c nobody is voting on empty transmissions in this single node test
* move core tests to core
* remove window
* fix up flaky tests
* test_entryfication needs a singly-threaded banking_stage
* move core benches to core
* remove unnecessary dependencies
* remove core as a member for now, test it like runtime
* stop running tests twice
* remove duplicate runs of tests in perf