code: def testEvalInputReceiverReceiverTensorKeyCheck(self):
      with self.assertRaisesRegex(
          ValueError, "exactly one key named examples"
      ):
          export.EvalInputReceiver(
              features={},
              labels={},
              receiver_tensors={"bad_key": tf.constant(0.0)},
          )
  
imports: import tensorflow
  from tensorflow_model_analysis.eval_saved_model import encoding
  from tensorflow_model_analysis.eval_saved_model import export
  from tensorflow_model_analysis.eval_saved_model import testutil
label_desc: Use image node_id 1 for calling the ExportTest obj's underlying member method code with example usage: obj.testEvalInputReceiverReceiverTensorKeyCheck() without return types