tests: remove check for bootx64.efi in boot in uc-update-assets-secur…

…e-add-sbat (#14877)

* tests: added condition that only checks grubx64.efi if bootx64.efi does not exist

* tests: remove bootx64.efi from expected files if uc22

* tests: removed /run/mnt/ubuntu-boot/EFI/boot/bootx64.efi testing from all systems

tests/nested/manual/uc-update-assets-secure-add-sbat/task.yaml

@@ -124,27 +124,30 @@ prepare: |
   fi
 
   cat <<EOF >>expected-before
-  ${old_shim_sha} */run/mnt/ubuntu-boot/EFI/boot/bootx64.efi
   ${old_grub_sha} */run/mnt/ubuntu-boot/EFI/boot/grubx64.efi
   EOF
   if [ "${UPDATE_BOOT}" = true ]; then
     cat <<EOF >>expected-after
-  ${new_shim_sha} */run/mnt/ubuntu-boot/EFI/boot/bootx64.efi
   ${new_grub_sha} */run/mnt/ubuntu-boot/EFI/boot/grubx64.efi
   EOF
   else
     cat <<EOF >>expected-after
-  ${old_shim_sha} */run/mnt/ubuntu-boot/EFI/boot/bootx64.efi
   ${old_grub_sha} */run/mnt/ubuntu-boot/EFI/boot/grubx64.efi
   EOF
   fi
-
+  
   snap pack pc --filename=pc_2.snap
 
   remote.exec systemctl --wait is-system-running || true
   remote.wait-for snap-command
   remote.exec "sudo snap wait system seed.loaded"
 
+debug: |
+  cat expected-before
+  cat expected-after
+  for file in $(remote.exec "find /run/mnt/ubuntu-boot/EFI/ -name '*.efi'"); do remote.exec "sha256sum $file"; done
+  for file in $(remote.exec "find /run/mnt/ubuntu-seed/EFI/ -name '*.efi'"); do remote.exec "sha256sum $file"; done
+
 execute: |
   remote.exec "sha256sum -c" <expected-before