import tensorflow as tf

      dict(
          testcase_name='fixed_len_int',
          make_tensors_fn=lambda:
          {'x': tf.compat.v1.placeholder(tf.int64, (None,))},
          feature_spec={'x': tf.io.FixedLenFeature([], tf.int64)}),
      dict(
          testcase_name='fixed_len_string',
          make_tensors_fn=lambda:
