docstr: Test if anomaly is found as expected.
docstr_tok: ["Test","if","anomaly","is","found","as","expected","."]
code: def test_get_anomalies(self):
      """
      Test if anomaly is found as expected.
      """
      self.assertTrue(self.detector1.get_anomalies() is not None)
  
imports: import os
  import sys
  import unittest
  from luminol import exceptions
  from luminol.anomaly_detector import AnomalyDetector
  from luminol.modules.time_series import TimeSeries
  from luminol.algorithms.anomaly_detector_algorithms import AnomalyDetectorAlgorithm
label_desc: Use image node_id 11 for calling the TestAnomalyDetector obj's underlying member method code with example usage: obj.test_get_anomalies() without return types