code: def test_while_imbalanced_legal(self, b, type_):
      if b == 11 and type_ is tf.constant:
          self.skipTest("TF loop must initialize y['a']")
  
      b = type_(b)
      self.assertFunctionMatchesEager(while_imbalanced, b)
  
imports: import itertools
  from absl.testing import parameterized
  import tensorflow
  from tensorflow.python.autograph.tests import reference_test_base
label_desc: Use image node_id 6 for calling the ReferenceTest obj's underlying member method code with example usage: obj.test_while_imbalanced_legal(b, type_) without return types