code: def __init__(self):
      self.sigYRangeChanged = FakeSignal()
      self.sigXRangeChanged = FakeSignal()
      self.sigResized = FakeSignal()
  
file_path: pyqtgraph/tests/graphicsItems/test_AxisItem.py
imports: from math import isclose
  import pytest
  import pyqtgraph
label_desc: Use image node_id 1 to create a new FakeView object  with example: obj = FakeView()