code: def _get_sample_data():
      y = np.array(
          [
              1,
              0,
              1,
              1,
              1,
              0,
          ]
      )
      y_pred_proba = np.array(
          [
              0.0,
              0.24,
              0.25,
              0.25,
              0.5,
              1.0,
          ]
      )
      return y, y_pred_proba
  
file_path: autogluon/core/tests/unittests/calibrate/test_decision_threshold.py
imports: import numpy
  import pytest
  from autogluon.core.calibrate import calibrate_decision_threshold
  from autogluon.core.metrics import balanced_accuracy, f1, roc_auc
label_desc: Use image node_id 1 for calling a global function with example usage: _get_sample_data() and returns: y,  y_pred_proba