This test will queries message from /proc/scsi/scsi_debug/<num> which
relies on the kernel option SCSI_PROC_FS

Prevent the following error report:
scsi/004 (ensure repeated TASK SET FULL results in EIO on timing out command) [failed]
    runtime  1.743s  ...  1.935s
    --- tests/scsi/004.out      2025-04-04 04:36:43.171999880 +0800
    +++ /root/blktests/results/nodev/scsi/004.out.bad   2025-11-13 12:46:33.807994845 +0800
    @@ -1,3 +1,4 @@
     Running scsi/004
     Input/output error
    +grep: /proc/scsi/scsi_debug/0: No such file or directory
     Test complete

Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
---
 tests/scsi/004 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/scsi/004 b/tests/scsi/004
index 7d0af54..fd4cfb0 100755
--- a/tests/scsi/004
+++ b/tests/scsi/004
@@ -19,6 +19,7 @@ CAN_BE_ZONED=1
 
 requires() {
 	_have_scsi_debug
+	_have_kernel_option SCSI_PROC_FS
 }
 
 test() {
-- 
2.44.0