code: def test_layer_name_using_pattern(self):
      layer1 = layers.Relu(name="rl{}")
      self.assertEqual(layer1.name, "rl1")
  
      layer2 = layers.Relu(name="rl{}")
      self.assertEqual(layer2.name, "rl2")
  
      layer3 = layers.Relu(name="relu-{}a")
      self.assertEqual(layer3.name, "relu-1a")
  
      layer4 = layers.Relu(name="rl{}")
      self.assertEqual(layer4.name, "rl3")
  
imports: import copy
  import numpy
  import tensorflow
  from neupy import layers, algorithms, init
  from neupy.utils import asfloat
  from neupy.exceptions import LayerConnectionError
  from base import BaseTestCase
label_desc: Use image node_id 8 for calling the LayerNameTestCase obj's underlying member method code with example usage: obj.test_layer_name_using_pattern() without return types