code: def test_get_checkpoint_path(self):
      state_backend = FsStateBackend("file://var/checkpoints/")
  
      self.assertEqual(
          state_backend.get_checkpoint_path(), "file://var/checkpoints"
      )
  
imports: from pyflink.datastream.state_backend import _from_j_state_backend, CustomStateBackend, MemoryStateBackend, FsStateBackend, RocksDBStateBackend, PredefinedOptions, EmbeddedRocksDBStateBackend
  from pyflink.java_gateway import get_gateway
  from pyflink.pyflink_gateway_server import on_windows
  from pyflink.testing.test_case_utils import PyFlinkTestCase
  from pyflink.util.java_utils import load_java_class
label_desc: Use image node_id 3 for calling the FsStateBackendTests obj's underlying member method code with example usage: obj.test_get_checkpoint_path() without return types