code: def test_cluster_allocation_famous_oldfaithful(self):
      fcm_test_template.cluster_allocation(
          FAMOUS_SAMPLES.SAMPLE_OLD_FAITHFUL,
          [[4.0, 70], [1.0, 48]],
          2.0,
          None,
          False,
      )
  
imports: import unittest
  import matplotlib
  from pyclustering.cluster.tests.fcm_templates import fcm_test_template
  from pyclustering.cluster.fcm import fcm
  from pyclustering.samples.definitions import SIMPLE_SAMPLES, FAMOUS_SAMPLES, FCPS_SAMPLES
label_desc: Use image node_id 20 for calling the fcm_unit_tests obj's underlying member method code with example usage: obj.test_cluster_allocation_famous_oldfaithful() without return types