diff --git a/tests/functional/setup.yml b/tests/functional/setup.yml
index f93ab9b82..0b684f02c 100644
--- a/tests/functional/setup.yml
+++ b/tests/functional/setup.yml
@@ -29,4 +29,12 @@
         section: main
         option: enabled
         value: 0
-      when: ansible_distribution == 'CentOS'
\ No newline at end of file
+      when: ansible_distribution == 'CentOS'
+
+    - name: resize logical volume for root partition to fill remaining free space
+      command: lvresize -l +100%FREE /dev/atomicos/root
+      when: is_atomic
+
+    - name: increasing the size of the fs for root partition
+      command: xfs_growfs /
+      when: is_atomic