code: def test_gh18684(self):
      # Test character(len=5) and character*5 usages
      f = getattr(self.module, self.fprefix + "_gh18684")
      x = np.array(["abcde", "fghij"], dtype="S5")
      y = f(x)
  
      assert_array_equal(x, y)
  
imports: import pytest
  import textwrap
  from numpy.testing import assert_array_equal, assert_equal, assert_raises
  import numpy
  from numpy.f2py.tests import util
label_desc: Use image node_id 1 for calling the TestMiscCharacter obj's underlying member method code with example usage: obj.test_gh18684() without return types