[JDK-8050427] LoginContext tests to cover JDK-4703361 - Java Bug System

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8142100	emb-9	Amanda Jiang	P2	Resolved	Fixed	team
JDK-8156369	8u111	Svetlana Nikandrova	P2	Resolved	Fixed	b01
JDK-8152328	8u102	Svetlana Nikandrova	P2	Resolved	Fixed	b02
JDK-8162206	emb-8u111	Svetlana Nikandrova	P2	Resolved	Fixed	b01

We need to have tests to cover ~~JDK-4703361~~.

backported by

JDK-8142100 LoginContext tests to cover JDK-4703361

JDK-8152328 LoginContext tests to cover JDK-4703361

JDK-8156369 LoginContext tests to cover JDK-4703361

JDK-8162206 LoginContext tests to cover JDK-4703361