code: def test_common_block(self):
      self.module.initcb()
      assert self.module.block.long_bn == np.array(
          1.0, dtype=np.float64
      )
      assert self.module.block.string_bn == np.array("2", dtype="|S1")
      assert self.module.block.ok == np.array(3, dtype=np.int32)
  
file_path: numpy/numpy/f2py/tests/test_common.py
imports: import pytest
  import numpy
  from .None import util
label_desc: Use image node_id 1 for calling the TestCommonBlock obj's underlying member method code with example usage: obj.test_common_block() without return types