Attribute Macro setup 

#[setup]

Marks a function as a setup function to be run before each test in a #[test_fixture].

Example

use rust_test_framework::{test_fixture, setup};

#[test_fixture]
mod my_tests {
    use super::*;

    #[setup]
    fn before_each() {
        // setup logic here
    }

    #[test]
    fn some_test() {
        // ...
    }
}