The five Issues 2.0 cases (type, parent by number, parent by URL,
blocked-by, blocking) live as a separate parallel test today. They
exercise the same NewCmdCreate code path as the existing cases, so
fold them into TestNewCmdCreate and extend the assertions to cover
IssueType, Parent, BlockedBy, and Blocking.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>