🧪 Ensure at least one emission metric sent

Removes number of metrics check, just ensures at least one was sent

Author: kzscisoft

tests/functional/test_run_class.py

@@ -58,7 +58,6 @@ def test_run_with_emissions_online(speedy_heartbeat, mock_co2_signal, create_pla
     run_created, _ = create_plain_run
     metric_interval = 1
     run_created._user_config.eco.co2_signal_api_token = "test_token"
-    current_count = run_created.metric_spy.call_count
     run_created.config(enable_emission_metrics=True, system_metrics_interval=metric_interval)
     while (
         "sustainability.emissions.total" not in requests.get(
@@ -85,7 +84,6 @@ def test_run_with_emissions_online(speedy_heartbeat, mock_co2_signal, create_pla
         # Check that total = previous total + latest delta
         _total_values = _metric_values[_total_metric_name].tolist()
         _delta_values = _metric_values[_delta_metric_name].tolist()
-        assert len(_total_values) >= run_created.metric_spy.call_count - current_count
         for i in range(1, len(_total_values)):
             assert _total_values[i] == _total_values[i - 1] + _delta_values[i]