code: def test_f_contiguous(self):
      assert 2 == self.flags["F_CONTIGUOUS"]
  
file_path: cupy/tests/cupy_tests/core_tests/test_flags.py
imports: import unittest
  from cupy._core import flags
  from cupy import testing
label_desc: Use image node_id 3 for calling the TestFlags obj's underlying member method code with example usage: obj.test_f_contiguous() without return types