diff --git a/.travis.yml b/.travis.yml
index 0c228d2..101e1c0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,7 @@ install:
   - git clone https://github.com/"${TRAVIS_REPO_SLUG%%/*}"/qubes-builder ~/qubes-builder
 script:
   - test -z "$TESTS_ONLY" || pylint --rcfile=ci/pylintrc qubesmgmt
-  - test -z "$TESTS_ONLY" || python -m unittest discover -p '*.py' -v
+  - test -z "$TESTS_ONLY" || ./run-tests
   - test -n "$TESTS_ONLY" ||  ~/qubes-builder/scripts/travis-build
 env:
  - TESTS_ONLY=1
diff --git a/run-tests b/run-tests
new file mode 100755
index 0000000..440f3ee
--- /dev/null
+++ b/run-tests
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+: "${PYTHON:=python}"
+: "${TESTPYTHONPATH:=test-packages}"
+
+PYTHONPATH="${TESTPYTHONPATH}:${PYTHONPATH}"
+export PYTHONPATH
+
+"${PYTHON}" setup.py egg_info --egg-base "${TESTPYTHONPATH}"
+"${PYTHON}" -m unittest discover -p '*.py' -v "$@"
diff --git a/test-packages/.gitignore b/test-packages/.gitignore
new file mode 100644
index 0000000..9bede6a
--- /dev/null
+++ b/test-packages/.gitignore
@@ -0,0 +1 @@
+qubesmgmt.egg-info