fix codecov test flags

.github/workflows/main.yml

@@ -52,7 +52,7 @@ jobs:
         run: coverage run -m unittest -vv tests.unit.test_conf
 #        run: coverage run -m unittest discover -vv tests.unit
       - if: startsWith(runner.os, 'linux') || startsWith(runner.os, 'mac')
-        run: bash <(curl -s https://codecov.io/bash) -X gcov -F unit,${{ matrix.os }}
+        run: bash <(curl -s https://codecov.io/bash) -X gcov -F unit,${{ runner.os }}
 
   tests-integration:
     name: "tests / integration"
@@ -90,8 +90,6 @@ jobs:
           TEST_DB: ${{ matrix.db }}
         run: |
           tox -e ${{ matrix.test }}
-          ls -la
-          ls -la tests
           bash <(curl -s https://codecov.io/bash) -X gcov -F integration,${{ matrix.test }},${{ matrix.db }}
 
   build: