code: def test_ravel_non_contiguous(self, xp, order):
      a = xp.arange(10)[::2]
      assert not a.flags.c_contiguous and not a.flags.f_contiguous
      b = a.ravel(order)
      assert b.flags.c_contiguous
      return b
  
imports: import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 5 for calling the TestRavel obj's underlying member method code with example usage: obj.test_ravel_non_contiguous(xp, order) and returns: b