diff --git a/tests/conftest.py b/tests/conftest.py
index <HASH>..<HASH> 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,6 +1,11 @@
 import os
 import pytest
+import sys
 
+# The following addition to sys.path is needed to find imports
+# like 'from test.test_plugins import BasicPlugin'
+# Normally the test path is not part of sys.path
+sys.path.append("/".join([os.path.dirname(os.path.abspath(__file__)), ".."]))
 
 @pytest.fixture
 def test_apps(monkeypatch):
@@ -97,15 +102,6 @@ def DocumentPlugin():
     return DocumentPlugin
 
 
-@pytest.fixture
-def SignalPlugin():
-    """
-    :return: signal plugin class
-    """
-    from tests.test_plugins.signals_plugin import SignalPlugin
-    return SignalPlugin
-
-
 # See http://docs.pytest.org/en/latest/example/simple.html#incremental-testing-test-steps
 def pytest_runtest_makereport(item, call):
     if "incremental" in item.keywords:
Added test_path to sys.path. Now 'import test.test_plugins' should work also on travis and tox