Test.FmtFormatters for test runners and tested values.
val fail_color : B0_std.Fmt.style listval skip_color : B0_std.Fmt.style listval test : unit B0_std.Fmt.tval fail : unit B0_std.Fmt.tval pass : unit B0_std.Fmt.tval skip : unit B0_std.Fmt.tval passed : unit B0_std.Fmt.tval failed : unit B0_std.Fmt.tval skipped : unit B0_std.Fmt.tval dur : B0_std.Mtime.Span.t B0_std.Fmt.tval fail_count : int B0_std.Fmt.tval count : int B0_std.Fmt.tval fail_count_ratio : (int * int) B0_std.Fmt.tval loc : loc B0_std.Fmt.tval anon : 'a B0_std.Fmt.t