message: Use documented variables for Iter_Test action chances
diff: @@ -181,9 +181,9 @@ class Iter_Test(rdtest.TestCase):
  do_pixel_debug = 1.0 # Chance of doing pixel history at the current event and debugging a pixel (if valid)
  actions = {
  - 'Image Save': {'chance': 0.25, 'func': self.image_save},
  - 'Vertex Debug': {'chance': 1.0, 'func': self.vert_debug},
  - 'Pixel History & Debug': {'chance': 1.0, 'func': self.pixel_debug},
  + 'Image Save': {'chance': do_image_save, 'func': self.image_save},
  + 'Vertex Debug': {'chance': do_vert_debug, 'func': self.vert_debug},
  + 'Pixel History & Debug': {'chance': do_pixel_debug, 'func': self.pixel_debug},
  }
  # To choose an action, if we're going to do one, we take random in range(0, choice_max) then check each action
  