diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..be841b0
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,16 @@
+"""pytest config"""
+
+import os
+import sys
+
+__dirname__ = os.path.abspath(os.path.dirname(__file__))
+
+
+def _file_path(*other):
+
+    return os.path.abspath(os.path.join(__dirname__, *other))
+
+
+def pytest_configure(config):
+    sys.path.insert(0, _file_path('..'))
+    return config
diff --git a/tests/test_fetch_holidays.py b/tests/test_fetch_holidays.py
index 9c1f105..09e00bf 100644
--- a/tests/test_fetch_holidays.py
+++ b/tests/test_fetch_holidays.py
@@ -1,17 +1,10 @@
 """Test module `fetch_holidays`.  """
 import json
-import os
 import sys
 
+from conftest import _file_path
 from fetch_holidays import CustomJSONEncoder, DescriptionParser
 
-__dirname__ = os.path.abspath(os.path.dirname(__file__))
-
-
-def _file_path(*other):
-
-    return os.path.join(__dirname__, *other)
-
 
 def _normalize(iterable):
     return sorted(json.loads(json.dumps(list(iterable), cls=CustomJSONEncoder)),