[no ticket][risk=no]: Fix can not enter newline between email address/domains (#5328)
[no ticket][risk=no]: Fix can not enter newline between email address/domains (#5328)

* fixing test

* fix

* fix test
all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench