fix(time-entries): use server time for running timers

apps/time_entries/tests/test_services.py

@@ -47,6 +47,18 @@ class TimeEntryServiceTests(TestCase):
         self.assertIsNotNone(stopped_entry.end_time)
         self.assertIsNotNone(stopped_entry.duration)
 
+    def test_create_running_time_entry_defaults_start_time_to_server_now(self):
+        before = timezone.now()
+        entry = create_time_entry(
+            user=self.user,
+            workspace_id=self.workspace.id,
+        )
+        after = timezone.now()
+
+        self.assertIsNone(entry.end_time)
+        self.assertGreaterEqual(entry.start_time, before)
+        self.assertLessEqual(entry.start_time, after)
+
     def test_update_time_entry_preserves_deleted_project_and_tags(self):
         project = Project.objects.create(workspace=self.workspace, name="Deleted project")
         tag = Tag.objects.create(