Investigate different number of skipped tests in SQUAD
## Issue Background
SQUAD shows differing number of skipped tests on succeeding builds. It is unclear how the number of skipped tests is established.
## Issue description
This issue is about finding out how a test gets skipped and how SQOAD deals with this and comprises the total number of skipped tests.
## Acceptance criteria
- [ ] It is clear how a test get skipped in LAVA and how this is reported to SQUAD
- [ ] Find out how the total number of skipped tests for a given build in SQUAD is put together
issue