Test ability to copy union and to set union type
Test ability to copy union and to set union type

[Bug/Feature]   Test ability to copy union and to set union type
[Cause]         Need to copy and add new union elements
[Solution]      1) Clear vector with unions; 2) set, copy and move elements
[Verification]  Build, install, tests

Change-Id: Iea2d7eca36edcfd34f768d1e99a3da970300afd8

Samsung/vasum,Samsung/vasum,Samsung/vasum,Samsung/vasum