code: def test_training_without_validation(self):
      model = Sequential()
      model.add(Dense(4, activation="relu", input_shape=(10,)))
      x = np.random.random([300, 10])
      y = np.random.random(
          [
              300,
          ]
      )
      model.compile(optimizer="sgd", loss="mae")
      model.fit(x, y, batch_size=112, nb_epoch=2)
      model.predict(x)
  
imports: import pytest
  import shutil
  from zoo.feature.common import ChainedPreprocessing
  from zoo.feature.image import *
  from zoo.pipeline.api.keras.layers import *
  from zoo.pipeline.api.keras.models import *
  from test.zoo.pipeline.utils.test_utils import ZooTestCase
label_desc: Use image node_id 5 for calling the TestSimpleIntegration obj's underlying member method code with example usage: obj.test_training_without_validation() without return types