Expand description
Assert a command (built with program and args) stdout string is less than an expression.
Pseudocode:
(program1 + args1 ⇒ command ⇒ stdout) < (expr into string)
§Example
use assertables::*;
let program = "bin/printf-stdout";
let args = ["%s", "alfa"];
let bytes = vec![b'z', b'z'];
assert_program_args_stdout_lt_x!(&program, &args, bytes);