text: import time
  
  from ufotest.testing import AbstractTest, MessageTestResult, AssertionTestResult, TestRunner
  from ufotest.camera import pci_read, pci_write
  from ufotest.util import clean_pci_read_output
  
  
  class PowerUpTest(AbstractTest):
  
      name = 'power_up'
  
      def __init__(self, test_runner: TestRunner):
          AbstractTest.__init__(self, test_runner)
  
      def run(self):
          test_result = AssertionTestResult()
  
          writes = [
              ('9000', 'DFFF'),
              ('9000', 'E0FF'),
              ('9000', 'E10F')
          ]
  
          for address, value in writes:
              pci_write(address, value)
              read = pci_read('9010', '1')
              cleaned_read = clean_pci_read_output(read)
              test_result.assert_pci_read_ok('write {}, {} --> {}'.format(address, value, cleaned_read))
              time.sleep(0.2)
  
          return test_result
  
  