test(backend): add test for GET /organisation/ endpoint (#1658)

* test: get list of all organisations

* refactor: remove redundant access_token fixture

src/backend/tests/test_organisation_routes.py

@@ -0,0 +1,37 @@
+# Copyright (c) 2022, 2023 Humanitarian OpenStreetMap Team
+#
+# This file is part of FMTM.
+#
+#     FMTM is free software: you can redistribute it and/or modify
+#     it under the terms of the GNU General Public License as published by
+#     the Free Software Foundation, either version 3 of the License, or
+#     (at your option) any later version.
+#
+#     FMTM 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 General Public License for more details.
+#
+#     You should have received a copy of the GNU General Public License
+#     along with FMTM.  If not, see <https:#www.gnu.org/licenses/>.
+#
+"""Tests for organisation routes."""
+
+import pytest
+
+
+async def test_get_organisation(client, organisation):
+    """Test get list of organisations."""
+    response = client.get("/organisation/")
+    assert response.status_code == 200
+
+    data = response.json()[-1]
+
+    assert organisation.id == data["id"]
+    assert organisation.name == data["name"]
+    assert organisation.description == data["description"]
+
+
+if __name__ == "__main__":
+    """Main func if file invoked directly."""
+    pytest.main()