Currently, all tests are relative to `./tests/functional` instead of
`./tests/functional/lang`. Whether this is a historical artefact or as
intended, the current move is to align the tests with the new design of
functional2, preparing them for an easier migration.
Change-Id: Ie394691b071488a8000a005080b9167786d5bd9a
Remove some blank lines from stack traces
(cherry picked from commit cea83544362bd6426e9bc0b7dd0d611c19b0e3fd)
Change-Id: Ic1af8b09e9994d3c69fd3b37ae47a4bb786a15a1