c3ee2fc821
Add tests for uncovered branches: - inject_email HttpError handling - get_or_create_label: existing label, create new, HttpError, generic error - inject_debug_email full flow + dedup of test label - get_refreshed_token: token changed vs unchanged - service property lazy initialization via build() Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>