Fix issue 6223 (#6241)

* Fix6223

* clippy fix

Co-authored-by: Frank <v-frankz@microsoft.com>

crates/nu-command/tests/commands/mod.rs

@@ -22,6 +22,7 @@ mod find;
 mod first;
 mod flatten;
 mod format;
+mod g;
 mod get;
 mod group_by;
 mod hash_;