code: def tearDown(self):
      # Free huge memory for slow test
      cupy.get_default_memory_pool().free_all_blocks()
  
file_path: cupy/tests/cupy_tests/core_tests/test_carray.py
imports: import unittest
  import cupy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestCArray32BitBoundary obj's underlying member method code with example usage: obj.tearDown() without return types