'
run_test 'verify gzip format' 'gunzip --test trash/test.tar.gz'
-run_test 'untar' 'tar -xf trash/test.tar.gz -C trash'
+run_test 'untar' '
+ rm -rf trash/foo &&
+ tar -xf trash/test.tar.gz -C trash
+'
run_test 'count files' '
c=$(ls -1 trash/foo/ | wc -l) &&