[7.x] [SIEM] Uses faster wait from testing-library and removes duplicate older wait idiom (#72509)#72549

Merged

FrankHassanabad merged 1 commit intoelastic:7.xfrom FrankHassanabad:backport/7.x/pr-72509

Jul 21, 2020

+578-491

Commits on Jul 20, 2020

[SIEM] Uses faster wait from testing-library and removes duplicate older wait idiom (elastic#72509 )
FrankHassanabad
committed