Use fake scheduler in tests.
Use fake scheduler in tests.

markpeek/empire,mhahn/empire,iserko/empire,no2key/empire,remind101/empire,zofuthan/empire,mhahn/empire,lihuanghai/empire,iserko/empire,remind101/empire,lihuanghai/empire,markpeek/empire,iserko/empire,zofuthan/empire,zhakui/empire,mhahn/empire,vfulco/empire,zhakui/empire,no2key/empire,remind101/empire,vfulco/empire