Install and configure libguesfs in CI

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

azure-pipelines.yml

@@ -13,23 +13,23 @@ jobs:
           image_name: ubuntu-16.04
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: tmp/bin/pytest -vvs
+              all: sudo chmod 0644 /boot/vmlinuz-* && sudo apt install libguestfs-tools && tmp/bin/pytest -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: ubuntu18_cpython
           image_name: ubuntu-18.04
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: apt-get install libguestfs-tools && tmp/bin/pytest -n 2 -vvs
+              all: sudo chmod 0644 /boot/vmlinuz-* && sudo apt install libguestfs-tools && tmp/bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: ubuntu20_cpython
           image_name: ubuntu-20.04
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: apt-get install libguestfs-tools && tmp/bin/pytest -n 2 -vvs
+              all: sudo chmod 0644 /boot/vmlinuz-* && sudo apt install libguestfs-tools && tmp/bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters: