Get list of images installed on the DUT.
def test_fun(duthosts, rand_one_dut_hostname):
duthost = duthosts[rand_one_dut_hostname]
images = duthost.get_image_info()
Takes no arguments.
Returns dicitonary with information on installed images:
images
- list of images that are availablecurrent
- current image installednext
- next version of image available