docker cp with absolute paths

.github/workflows/ci-test-pr.yml

@@ -101,8 +101,8 @@ jobs:
       run: |
         docker compose -f docker-test.yml exec -T pender cat tmp/performance.csv
         docker compose -f docker-test.yml exec -T pender ls -l coverage/
-        docker cp pender-pender-1:tmp/performance.csv performance.csv
-        docker cp pender-pender-1:coverage/.resultset.json .resultset.json
+        docker cp pender-pender-1:/app/pender/tmp/performance.csv performance.csv
+        docker cp pender-pender-1:/app/pender/coverage/.resultset.json .resultset.json
 
         # pulled from test/test-coverage
         printf '#!/bin/bash\ngo run /tmp/go/src/github.com/codeclimate/test-reporter/main.go $@\n' > test/cc-test-reporter && chmod +x test/cc-test-reporter