Test host free space

Author: larshg

.ci/azure-pipelines/azure-pipelines.yaml

@@ -36,6 +36,17 @@ stages:
     jobs:
       - template: formatting.yaml
 
+  - stage: test_ubuntu
+    displayName: Test ubuntu 22.04 free space
+    jobs:
+      - job: show_free_space
+        displayName: Ubuntu show free space
+        pool:
+         vmImage: 'ubuntu-22.04'
+        steps:
+          - script: df -h
+            displayName: List disk usage on host
+
   - stage: build_gcc
     displayName: Build GCC
     dependsOn: formatting