code: def test_float_xdr(self):
      values = tf.constant(self.data["values"], dtype=tf.float32)
  
      client = BigtableClient("fake_project", "fake_instance")
      table = client.get_table("test-table")
  
      self.check_values(values, table, "float", tf.float32)
  
imports: import os
  from .bigtable_emulator import BigtableEmulator
  from tensorflow_io.python.ops.bigtable.bigtable_dataset_ops import BigtableClient
  import tensorflow_io.python.ops.bigtable.bigtable_row_range
  import tensorflow_io.python.ops.bigtable.bigtable_row_set
  import tensorflow
  from tensorflow import test
  from google.auth.credentials import AnonymousCredentials
  from google.cloud.bigtable import Client
  import datetime
  import pytest
  import sys
label_desc: Use image node_id 4 for calling the BigtableReadTest obj's underlying member method code with example usage: obj.test_float_xdr() without return types