Run tests
Runs the test suite for the current package and returns a DataFrame
with results. Wraps the CLI t test command for use within
the REPL.
only (List): = [] Filter to tests
whose path contains any of these substrings.
not (List): = [] Exclude tests
whose path contains any of these substrings.
A DataFrame with columns: file, status, duration_ms, error.
results = t_test()
results |> filter($status == "failed")
results = t_test(only = ["arithmetic"])
results = t_test(not = ["slow"])