code: def test_is_n_byte_aligned(self):
      a = n_byte_align_empty(100, 16)
      self.assertTrue(is_n_byte_aligned(a, 16))
  
      a = n_byte_align_empty(100, 5)
      self.assertTrue(is_n_byte_aligned(a, 5))
  
      a = n_byte_align_empty(100, 16, dtype="float32")[1:]
      self.assertFalse(is_n_byte_aligned(a, 16))
      self.assertTrue(is_n_byte_aligned(a, 4))
  
imports: from pyfftw import byte_align, is_byte_aligned, ones_aligned, empty_aligned, zeros_aligned, simd_alignment
  from pyfftw import n_byte_align, n_byte_align_empty, is_n_byte_aligned
  import numpy
  from timeit import Timer
  from .test_pyfftw_base import run_test_suites
  import unittest
  import warnings
label_desc: Use image node_id 13 for calling the ByteAlignTest obj's underlying member method code with example usage: obj.test_is_n_byte_aligned() without return types