code: def clear_counter():
      MockUnitTest.failure_case_counter = 0
      MockUnitTest.success_case_counter = 0
      MockUnitTest.skip_case_counter = 0
      MockUnitTest.probabilistic_case_counter = 0
      MockUnitTest.probabilistic_case_success_counter = 0
      MockUnitTest.probabilistic_case_failure_counter = 0
  
imports: import unittest
  from cupy.testing import _condition
label_desc: Use image node_id 1 for calling the MockUnitTest obj's underlying member method code with example usage: obj.clear_counter() without return types