Chore: reorganize api tests (#4935)

* Move permissions-related API tests

* Move bulk-edit-related API tests

* Move bulk-download-related API tests

* Move uisettings-related API tests

* Move remoteversion-related API tests

* Move tasks API tests

* Move object-related API tests

* Move consumption-template-related API tests

* Rename pared-down documents API test file

Co-Authored-By: Trenton H <797416+stumpylog@users.noreply.github.com>

src/documents/tests/test_api_uisettings.py

@@ -0,0 +1,65 @@
+import json
+
+from django.contrib.auth.models import User
+from rest_framework import status
+from rest_framework.test import APITestCase
+
+from documents.tests.utils import DirectoriesMixin
+
+
+class TestApiUiSettings(DirectoriesMixin, APITestCase):
+    ENDPOINT = "/api/ui_settings/"
+
+    def setUp(self):
+        super().setUp()
+        self.test_user = User.objects.create_superuser(username="test")
+        self.test_user.first_name = "Test"
+        self.test_user.last_name = "User"
+        self.test_user.save()
+        self.client.force_authenticate(user=self.test_user)
+
+    def test_api_get_ui_settings(self):
+        response = self.client.get(self.ENDPOINT, format="json")
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertDictEqual(
+            response.data["user"],
+            {
+                "id": self.test_user.id,
+                "username": self.test_user.username,
+                "is_superuser": True,
+                "groups": [],
+                "first_name": self.test_user.first_name,
+                "last_name": self.test_user.last_name,
+            },
+        )
+        self.assertDictEqual(
+            response.data["settings"],
+            {
+                "update_checking": {
+                    "backend_setting": "default",
+                },
+            },
+        )
+
+    def test_api_set_ui_settings(self):
+        settings = {
+            "settings": {
+                "dark_mode": {
+                    "enabled": True,
+                },
+            },
+        }
+
+        response = self.client.post(
+            self.ENDPOINT,
+            json.dumps(settings),
+            content_type="application/json",
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        ui_settings = self.test_user.ui_settings
+        self.assertDictEqual(
+            ui_settings.settings,
+            settings["settings"],
+        )