Add 'fsck' to tests

test/test-backup.sh

@@ -5,4 +5,5 @@ run khepri init
 run khepri backup "${BASE}/fake-data"
 run khepri restore "$(basename "$KHEPRI_REPOSITORY"/snapshots/*)" "${BASE}/fake-data-restore"
 dirdiff "${BASE}/fake-data" "${BASE}/fake-data-restore/fake-data"
+run khepri fsck all
 cleanup

test/test-key-add-remove.sh

@@ -35,6 +35,8 @@ for i in {1..3}; do
     OLD_PWD=bar$i
 done
 
+KHEPRI_PASSWORD=$OLD_PWD run khepri fsck all
+
 cleanup
 
 FAILED=0