Add some debug info

Author: bocharsky-bw

.github/workflows/tests.yaml

@@ -39,7 +39,7 @@ jobs:
 
             # Install stty required for tests
             - name: Install system dependencies
-              if: ${{ matrix.operating-system }} == 'ubuntu-latest'
+              if: matrix.operating-system == 'ubuntu-latest'
               run: |
                 echo "::group::apt-get update"
                 sudo apt-get update
@@ -48,6 +48,10 @@ jobs:
                 sudo apt-get install coreutils
                 echo "::endgroup::"
 
+            - name: Debug stty
+              if: matrix.operating-system == 'ubuntu-latest'
+              run: stty 2>&1
+
             - name: "Install PHP with extensions"
               uses: shivammathur/[email protected]
               with: