Merge pull request #525 from ceph/wip-43448

testnode: Move dbench to epel_packages so it gets installed

diff --cc roles/testnode/vars/redhat_8.yml
index 9e5d45c69c45903d9db1f6595810af5de13b8401,7d4d94cf453384af807cdaaa4bdcf08275f7d47e..7d1f950a0e78ddcddcc7ce1c4354cfcd68de2523
--- 1/roles/testnode/vars/redhat_8.yml
--- 2/roles/testnode/vars/redhat_8.yml
+++ b/roles/testnode/vars/redhat_8.yml
@@@ -59,12 -59,10 +59,12 @@@ packages
    # for pjd tests
    - libacl-devel
    # for fs tests,
-   - dbench
    - autoconf
 +  # for test-crash.sh
 +  - gdb
  
- epel_packages: []
+ epel_packages:
+   - dbench
  
  nfs_service: nfs-server