SERVER-9702 do not use line comments in one-liners
SERVER-9721 do not use sleepmicros on Windows for yielding
SERVER-9695 fix racy test
SERVER-9720 return_partial_shards_down.js turn off balancer before manual chunk moves
SERVER-9719 sharding_multiple_ns_rs.js wait for mongos to detect primary failover
SERVER-9718 authCommands.js wait 5 minutes for migrations on very slow test systems
SERVER-8070 more reliable test (failpoint was not in the right place)
SERVER-9260 Race in hash_presplit.js

Split the each test case into different files to isolate them from each other.
SERVER-9661 config upgrade v0->v3 fails when dropped collection has noBalance set
SERVER-9730  under any circumstances, do not vote yea while a primary already exists