diff --git a/action.yml b/action.yml
index 64c7174..c35fb79 100644
--- a/action.yml
+++ b/action.yml
@@ -101,6 +101,13 @@ runs:
           --json-report-file=${{ inputs.report-dir }}/outputs/pytest-report.json \
           --capture=no >> ${{ inputs.report-dir }}/outputs/full-output.log 2>&1
 
+        if [ -f "${{ inputs.report-dir }}/outputs/full-output.log" ]; then
+          echo "✅ full-output.log exists"
+        else
+          echo "❌ full-output.log is missing"
+          exit 1
+        fi
+
         awk '/=+ test session starts =+/{flag=1} /-+ JSON report -+/{flag=0} flag' ${{ inputs.report-dir }}/markdown/full-output.log > ${{ inputs.report-dir }}/outputs/raw-test-output.log
         awk '/=+ short test summary info =+/,/=+.* in .*s =+/' ${{ inputs.report-dir }}/markdown/full-output.log > ${{ inputs.report-dir }}/outputs/short-test-output.log