bin/test-exercise: quote argument to `cd` to prevent accidents
shellcheck 2086
@@ -92,7 +92,7 @@ done
# run tests from within exercise directory
# (use subshell so we auto-reset to current pwd after)
(
- cd $exercise
+ cd "$exercise"
if [ -n "$CLIPPY" ]; then
# Consider any Clippy to be an error in tests only.
# For now, not the example solutions since they have many Clippy warnings,
