Test 4, funnel array through env vars

Author: OlafFilies

.github/workflows/hil-library-test.yml

@@ -120,10 +120,10 @@ jobs:
           cd /opt/runner_support/
 
           cd /opt/runner_support/
-          serials=$(echo $(./py_checkusb.py --type ${{ env.library }} --list serial --json) | jq ".\"${{ env.library }}\"[]" --compact-output )
+          declare -a serials=$(echo $(./py_checkusb.py --type ${{ env.library }} --list serial --json) | jq ".\"${{ env.library }}\"[]" --compact-output )
           echo "Serials: " $serials
 
-          for serial in "$serials"; do
+          for serial in "${serials[@]}"; do
             echo "Serial: $serial"
           done