Rebase to main; Working rm tests

Author: Joseph Rafael Ferrer

Cargo.lock

@@ -9,5 +9,8 @@ repository = "https://github.com/rustcoreutils/posixutils-rs.git"
 [dependencies]
 libc.workspace = true
 
+[dev-dependencies]
+rand = "0.8.5"
+
 [lib]
 doctest = false

plib/Cargo.toml

@@ -15,6 +15,7 @@ pub mod modestr;
 pub mod sccsfile;
 pub mod testing;
 pub mod utmpx;
+pub mod walkdir;
 
 pub const PROJECT_NAME: &'static str = "posixutils-rs";