diff --git a/tox.ini b/tox.ini
index e5599c46e6..64245dcb7a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -59,6 +59,9 @@ allowlist_externals =
                       sed
                       mkdir
                       chmod
+                      pwd
+		      ls
+		      echo
 
 usedevelop = true
 commands_pre =
@@ -66,6 +69,10 @@ commands_pre =
          chmod 777 {toxinidir}/reports/coverage
 
 commands =
+         {unit,integration,functional}: pwd
+         {unit,integration,functional}: ls
+         {unit,integration,functional}: python3 -c "import sys; print('PYTHONPATH:', sys.path)"
+
          unit: pytest -o junit_suite_name="{envname} unit tests" --cov-config {toxinidir}/tests/.coveragerc --cov={toxinidir}/python --cov-report=xml:reports/{envname}/coverage.xml --junitxml=reports/{envname}/unit-results.xml --verbose {posargs:tests/unittests}
 
          {integration,functional}: python setup.py build_sass