class_docstr: Testing helper functions from tflearn/helpers
code: def test_variable(self):
      # Bulk Tests
      with tf.Graph().as_default():
          W = tflearn.variable(
              name="W1",
              shape=[784, 256],
              initializer="uniform_scaling",
              regularizer="L2",
          )
          W = tflearn.variable(
              name="W2",
              shape=[784, 256],
              initializer="uniform_scaling",
              regularizer="L2",
          )
  
file_path: tflearn/tests/test_helpers.py
imports: import tensorflow.compat.v1
  import tflearn
  import unittest
  import os
label_desc: Use image node_id 1 for calling the TestHelpers obj's underlying member method code with example usage: obj.test_variable() without return types