code: def test_cgroup_cpu_gauge_returns_zero_on_first_measurement(self):
      # given
      gauge = CGroupCpuUsageGauge()
  
      # when
      cpu_usage = gauge.value()
  
      # then
      self.assertEqual(0.0, cpu_usage)
      self.assertEqual(float, type(cpu_usage))
  
file_path: neptune-client/tests/unit/neptune/legacy/internal/hardware/gauges/test_cpu_gauges.py
imports: import time
  import unittest
  from neptune.common.hardware.gauges.cpu import CGroupCpuUsageGauge, SystemCpuUsageGauge
label_desc: Use image node_id 2 for calling the TestCpuGauges obj's underlying member method code with example usage: obj.test_cgroup_cpu_gauge_returns_zero_on_first_measurement() without return types