Implement an analizing for a whole test plan

test_run field can accept an ID for test plan.
Code will detect automatically which Id was entered: TestRun's or TestPlan's

The list of analized test will be stored in the TestRun model
and will not be proceeded in the case of reruning TestRun

PRODX-35956

Change-Id: I91b59a6a6abc932e2026b05428d408a5dec31134
8 files changed