diff --git a/tests/conftest.py b/tests/conftest.py
index f713ceb..6a895fe 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,3 +1,23 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# This file is part of passerelle-atreal-openads - a Publik connector to openADS
+#
+# Copyright (C) 2019 Atreal
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see .
+
import pytest
from httmock import urlmatch, HTTMock, response
diff --git a/tests/settings.py b/tests/settings.py
index f462b19..f9e5efc 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -1,3 +1,23 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# This file is part of passerelle-atreal-openads - a Publik connector to openADS
+#
+# Copyright (C) 2019 Atreal
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see .
+
import os
LANGUAGE_CODE = 'en-us'
diff --git a/tests/test_atreal_openads.py b/tests/test_atreal_openads.py
index 5da017b..c86a081 100644
--- a/tests/test_atreal_openads.py
+++ b/tests/test_atreal_openads.py
@@ -1,6 +1,23 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
+# This file is part of passerelle-atreal-openads - a Publik connector to openADS
+#
+# Copyright (C) 2019 Atreal
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see .
+
"""Tests for connector AtrealOpenads."""
# pylint: disable=too-many-lines
diff --git a/tests/test_forms.py b/tests/test_forms.py
index 18358d2..70afbf8 100644
--- a/tests/test_forms.py
+++ b/tests/test_forms.py
@@ -1,5 +1,23 @@
+#!/usr/bin/env python
# -*- coding: utf-8 -*-
+# This file is part of passerelle-atreal-openads - a Publik connector to openADS
+#
+# Copyright (C) 2019 Atreal
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see .
+
"""Testing forms."""
import os
diff --git a/tests/test_utils.py b/tests/test_utils.py
index f88707b..4a6508f 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,5 +1,23 @@
+#!/usr/bin/env python
# -*- coding: utf-8 -*-
+# This file is part of passerelle-atreal-openads - a Publik connector to openADS
+#
+# Copyright (C) 2019 Atreal
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see .
+
"""Testing utilities functions."""
import os
diff --git a/tests/test_views.py b/tests/test_views.py
index 917c445..525d8c6 100644
--- a/tests/test_views.py
+++ b/tests/test_views.py
@@ -1,5 +1,23 @@
+#!/usr/bin/env python
# -*- coding: utf-8 -*-
+# This file is part of passerelle-atreal-openads - a Publik connector to openADS
+#
+# Copyright (C) 2019 Atreal
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see .
+
"""Testing views."""
import os