Function format_test_id 

pub fn format_test_id(
    format: &str,
    name: &str,
    classname: Option<&str>,
) -> String

Formats a test ID from JUnit XML attributes using the provided format string.

Arguments

• format - Format string with placeholders like {name} and {classname}
• name - The testcase name attribute from JUnit XML
• classname - The testcase classname attribute from JUnit XML (optional)