code: def mouseClick(widget, pos, button, modifier=None):
      mouseMove(widget, pos)
      mousePress(widget, pos, button, modifier)
      mouseRelease(widget, pos, button, modifier)
  
file_path: pyqtgraph/tests/ui_testing.py
imports: import time
  from pyqtgraph.Qt import QtCore, QtGui, QtTest, QtWidgets
label_desc: Use image node_id 6 for calling a global function with example usage: mouseClick(widget, pos, button, modifier) without return types