selftests: ublk: fix recover test

When adding recovery test:

- 'break' is missed for handling '-g' argument

- test name of test_generic_05.sh is wrong

So fix the two.

Fixes: 57e13a2e8c ("selftests: ublk: support user recovery")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Uday Shankar <ushankar@purestorage.com>
Link: https://lore.kernel.org/r/20250421235947.715272-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

tools/testing/selftests/ublk/kublk.c

@@ -1354,6 +1354,7 @@ int main(int argc, char *argv[])
 			value = strtol(optarg, NULL, 10);
 			if (value)
 				ctx.flags |= UBLK_F_NEED_GET_DATA;
+			break;
 		case 0:
 			if (!strcmp(longopts[option_idx].name, "debug_mask"))
 				ublk_dbg_mask = strtol(optarg, NULL, 16);

tools/testing/selftests/ublk/test_generic_05.sh

@@ -3,7 +3,7 @@
 
 . "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
 
-TID="generic_04"
+TID="generic_05"
 ERR_CODE=0
 
 ublk_run_recover_test()