code: def testSimple(self):
      a = 0.1
      b = 0.2
      self.assertAllClose(onp.add(a, b), np.add(a, b))
  
imports: import numpy
  import tensorflow
label_desc: Use image node_id 1 for calling the PublicSymbolTest obj's underlying member method code with example usage: obj.testSimple() without return types