fix CI

Author: valoq

src/cli/args.rs

@@ -157,6 +157,7 @@ mod tests {
             // This is usually replaced in assertion tests
             password: None,
             threads: None,
+            output_dir: None,
             cmd: Subcommand::Decompress {
                 // Put a crazy value here so no test can assert it unintentionally
                 files: vec!["\x00\x11\x22".into()],