Macro skip_if 

macro_rules! skip_if {
    ($config:expr, $condition:expr, $reason:expr) => { ... };
    (private_tests) => { ... };
}

Conditionally skips a test based on a condition.

Examples

// Version 1: With explicit config and condition
skip_if!(config, config.skip_private_tests, "Private tests disabled");

// Version 2: Simplified version for private tests
skip_if!(private_tests);