code: def testResultTypeNPDefaultArray(self, array_in, dtype, res_dtype):
      with DtypeConversionTestEnv("all"):
          self.assertEqual(
              flexible_dtypes.result_type(
                  np.array(array_in), np.array(1, dtype=dtype)
              ),
              res_dtype,
          )
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import extension_type
  from tensorflow.python.framework import flexible_dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import weak_tensor
  from tensorflow.python.ops import variables
  from tensorflow.python.ops import weak_tensor_test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the DtypesUtilTest obj's underlying member method code with example usage: obj.testResultTypeNPDefaultArray(array_in, dtype, res_dtype) without return types