Dump logs for all containers when test fails

[andy-fong]

Description

• previously setting --all-containers does not seem to work. --all-containers=true works
• also added --prefix=true to add pod/container_name prefix to the log lines
• this only affects the artifacts we upload when test fails

API changes

Code changes

CI changes

Docs changes

Context

Interesting decisions

Testing steps

Notes for reviewers

Checklist:

• [/] I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works