Refer to the Testing: Migration 2.6->3.0 test task in https://docs.google.com/document/d/1DSfZKcabHnqX4LcYOfvXnPMGjuSH70VZ_O0PhzIu3sM/edit?tab=t.0#heading=h.qkpty6bbihgy  
(Do any changes to the task description directly in the document!)

For more details about test configuration, see test matrix for this release.