use cvmfs-config-none for tests, to prevent it from picking up eessi configuration from the cern config repo

Author: bedroge

.github/workflows/build-test-release-client-packages.yml

@@ -129,7 +129,7 @@ jobs:
         run: wget https://ecsft.cern.ch/dist/cvmfs/cvmfs-release/cvmfs-release-latest_all.deb && sudo dpkg -i cvmfs-release-latest_all.deb
 
       - name: Install CVMFS client
-        run: sudo apt-get update && sudo apt-get install cvmfs
+        run: sudo apt-get update && sudo apt-get install cvmfs cvmfs-config-none
 
       - name: Download cvmfs-config-eessi package
         uses: actions/download-artifact@9782bd6a9848b53b110e712e20e42d89988822b7 # v3.0.1
@@ -167,7 +167,7 @@ jobs:
         run: yum install -y https://ecsft.cern.ch/dist/cvmfs/cvmfs-release/cvmfs-release-latest.noarch.rpm
 
       - name: Install CVMFS client
-        run: yum install -y cvmfs
+        run: yum install -y cvmfs cvmfs-config-none
 
       - name: Download cvmfs-config-eessi package
         uses: actions/download-artifact@9782bd6a9848b53b110e712e20e42d89988822b7 # v3.0.1
@@ -205,7 +205,7 @@ jobs:
         run: wget https://ecsft.cern.ch/dist/cvmfs/cvmfs-release/cvmfs-release-latest_all.deb && sudo dpkg -i cvmfs-release-latest_all.deb
 
       - name: Install CVMFS client
-        run: sudo apt-get update && sudo apt-get install cvmfs
+        run: sudo apt-get update && sudo apt-get install cvmfs cvmfs-config-none
 
       - name: Download cvmfs-config-eessi package
         uses: actions/download-artifact@9782bd6a9848b53b110e712e20e42d89988822b7 # v3.0.1