code: def test_simple_jit(self):
      @TinyJit
      def add(a, b):
          return (a + b).realize()
  
      _simple_test(add)
  
imports: import unittest, functools
  import numpy
  from test.helpers import assert_jit_cache_len
  from tinygrad.tensor import Tensor
  from tinygrad.jit import TinyJit
  from tinygrad.device import Device
  from tinygrad.helpers import CI
label_desc: Use image node_id 1 for calling the TestJit obj's underlying member method code with example usage: obj.test_simple_jit() and returns: unknown