test: generalise stratisd-tools install for RHEL

Install stratisd-tools on CentOS / RHEL and Fedora.

Author: jelly

test/browser/browser.sh

@@ -42,13 +42,6 @@ fi
 if grep -q 'ID=.*fedora' /etc/os-release && [ "$PLAN" = "storage-basic" ]; then
     # required by TestStorageBtrfs*
     dnf install -y udisks2-btrfs
-    # required by TestStorageStratis
-    dnf install -y stratisd-tools
-fi
-
-if grep -q 'ID=.*centos' /etc/os-release && grep -q 'VERSION_ID=.*10' /etc/os-release && [ "$PLAN" = "storage-basic" ]; then
-    # required by TestStorageStratis
-    dnf install -y stratisd-tools
 fi
 
 # dnf installs "missing" weak dependencies, but we don't want them for plans other than "main"

test/browser/main.fmf

@@ -47,6 +47,7 @@
     - nfs-utils
     - stratis-cli
     - stratisd
+    - stratisd-tools
     - subscription-manager
     - targetcli
     - udisks2-lvm2