Runs mix test on the affected test files. Takes the input options of
mix affected.files (--base or --files, --map); everything after
-- goes to mix test unchanged. Run with MIX_ENV=test.
mix affected.test --base origin/main -- --warnings-as-errors- full run (including a graph or test map failure): plain
mix test <passthrough> - empty selection: prints
mix_affected: no affected testsand exits 0 without starting ExUnit - otherwise
mix test <files> <passthrough>; its exit status is this task's
With --output <path> the selection is also written there, in --format
(with --explain if given), for mix affected.report later. The summary
line goes to stderr.