Show test results in CodeQL results view

[rvermeulen]

Is your feature request related to a problem? Please describe.
When developing QL tests it can be difficult to triage the initial results shown in the CodeQL tests output, because you must manually lookup the cases in the test source file.

Describe the solution you'd like
Open the test results in the CodeQL results view where we can use the location information to quickly go to source elements.

Describe alternatives you've considered
n/a

Additional context
Add any other context or screenshots about the feature request here.