Tests: Move box test artifacts to a temp directory (#4771)

test/scripts/e2e_subs/box-search.sh

@@ -92,16 +92,16 @@ BOX_LIST=$(${gcmd} app box list --app-id "$APPID" --max 4)
 
 BOX_NAME="str:great box"
 echo "Create $BOX_NAME"
-${gcmd} app call --from "$ACCOUNT" --app-id "$APPID" --box "$BOX_NAME" --app-arg "str:create" --app-arg "$BOX_NAME" -o box_create.txn
+${gcmd} app call --from "$ACCOUNT" --app-id "$APPID" --box "$BOX_NAME" --app-arg "str:create" --app-arg "$BOX_NAME" -o "$TEMPDIR/box_create.txn"
 
 echo "Set $BOX_NAME using $BOX_VALUE"
-${gcmd} app call --from "$ACCOUNT" --app-id "$APPID" --app-arg "str:set" --app-arg "$BOX_NAME" --app-arg "str:$BOX_VALUE" -o box_set.txn
+${gcmd} app call --from "$ACCOUNT" --app-id "$APPID" --app-arg "str:set" --app-arg "$BOX_NAME" --app-arg "str:$BOX_VALUE" -o "$TEMPDIR/box_set.txn"
 
 # Group them, sign and broadcast:
-cat box_create.txn box_set.txn > box_create_n_set.txn
-${gcmd} clerk group -i box_create_n_set.txn -o box_group.txn
-${gcmd} clerk sign -i box_group.txn -o box_group.stx
-${gcmd} clerk rawsend -f box_group.stx
+cat "$TEMPDIR/box_create.txn" "$TEMPDIR/box_set.txn" > "$TEMPDIR/box_create_n_set.txn"
+${gcmd} clerk group -i "$TEMPDIR/box_create_n_set.txn" -o "$TEMPDIR/box_group.txn"
+${gcmd} clerk sign -i "$TEMPDIR/box_group.txn" -o "$TEMPDIR/box_group.stx"
+${gcmd} clerk rawsend -f "$TEMPDIR/box_group.stx"
 
 echo "Confirm that NAME $BOX_NAME as expected"
 ${gcmd} app box info --app-id "$APPID" --name "$BOX_NAME"