code: def test_clear_backends(self):
      g = jax.jit(lambda x, y: x * y)
      self.assertEqual(g(1, 2), 2)
      self.assertNotEmpty(xb.get_backend().live_executables())
      jax.clear_backends()
      self.assertEmpty(xb.get_backend().live_executables())
      self.assertEqual(g(1, 2), 2)
  
file_path: jax/tests/clear_backends_test.py
imports: from absl.testing import absltest
  import jax
  from jax import config
  from jax._src import test_util
  from jax._src import xla_bridge
label_desc: Use image node_id 1 for calling the ClearBackendsTest obj's underlying member method code with example usage: obj.test_clear_backends() without return types