code: def randomData(self, h=5, w=5):
      image = np.random.rand(h, w)
      coords = np.array(
          [[i, j] for j in range(h + 1) for i in range(w + 1)],
          dtype=float,
      )
      return image, coords, h, w
  
file_path: detectron2/tests/data/test_rotation_transform.py
imports: import numpy
  import unittest
  from detectron2.data.transforms.transform import RotationTransform
label_desc: Use image node_id 2 for calling the TestRotationTransform obj's underlying member method code with example usage: obj.randomData(h, w) and returns: image,  coords,  h,  w