Find a way to identify combined test executions

[spbnick]

At the moment each test result has a unique ID, but it's not possible to determine when two test results belonged to a single execution of a test suite.

It's not possible to determine whether e.g. ltp.stat01 and ltp.stat02 belong to the same execution of ltp or to two different ones. It is therefore impossible to know how many executions of ltp there actually was. We can only find either the minimum, or the maximum possible number of executions, but not the actual number. It is also impossible to determine how many particular outcomes was there, as it's not possible to attribute a particular test to a particular suite and calculate its independent outcome.

Find out if this would be good to know, and if yes, how to implement identifying particular executions.