* If a workload does not implement a port, it should not be included in the list of endpoints for the Envoy cluster for that port.
* Adds tenancy tests for xds controller and xdsv2 resource generation, and adds all those files.
* The original change in this PR was for filtering the list of endpoints by the port being routed to (bullet 1). Since I made changes to sidecarproxycontroller golden files, I realized some of the golden files were unused because of the tenancy changes, so when I deleted those, that broke xds controller tests which weren't correctly using tenancy. So when I fixed that, then the xdsv2 tests broke, so I added tenancy support there too. So now, from sidecarproxy controller -> xds controller -> xdsv2 we now have tenancy support and all the golden files are lined up.
* NET-5397 - wire up golden tests from sidecar-proxy controller for xds controller and xdsv2
* WIP
* WIP
* everything matching except leafCerts. need to mock those
* single port destinations working except mixed destinations
* golden test input to xds controller tests for destinations
* proposed fix for failover group naming errors
* clean up test to use helper.
* clean up test to use helper.
* fix test file
* add docstring for test function.
* add docstring for test function.
* fix linting error
* fixing test after route fix merged into main
* first source test works
* WIP
* modify all source files
* source tests pass
* fixing tests after bug fix in main
* got first destination working.
* adding destinations
* fix docstring for test
* fixing tests after bug fix in main
Matt Keeler