Updated sprintf usage; Simplified isset usage#21096

Merged

magento-engcom-team merged 2 commits intomagento:2.3-developfrom df2k2:2.3-dev-sprintf-1

Feb 13, 2019

+14-4

Commits on Feb 9, 2019

Updated incorrect or useless sprintf usage; Simplified isset usage for readability
df2k2
committed

Commits on Feb 12, 2019

Fix static tests.
nmalevanec
committed