Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -31,8 +31,8 @@ unit-test-job:   # This job runs in the test stage.
     - echo "Code coverage is 90%"
     - cat /etc/os-release
     - nproc
-    - free -hm
-    - df -h /
+    - free
+    - df
 
 lint-test-job:   # This job also runs in the test stage.
   stage: test    # It can run at the same time as unit-test-job (in parallel).