Merge pull request #6 from arunans23/workflows

Update jdk-17-tests.yml

.github/workflows/jdk-17-tests.yml

@@ -5,6 +5,8 @@ on: [push, pull_request]
 jobs:
  ubuntu:
  runs-on: ubuntu-latest
+ container:
+ image: rockylinux/rockylinux:9
  strategy:
  matrix:
  include:
@@ -19,6 +21,9 @@ jobs:
  fail-fast: false
  steps:
  - uses: actions/checkout@v3
+ - name: Are we really on Rocky Linux?
+ run: |
+ cat /etc/os-release
  - name: Cache Maven packages
  uses: actions/cache@v2
  with: