code: def test_histogram():
      h = Histogram("test_histogram")
      assert h.name == "test_histogram"
      assert h.description == ""
      assert h.tag_keys == ()
      assert h.type == "Histogram"
      assert h.record(1) is None
  
imports: from .....tests.core import require_ray
  from ..ray_metric import Counter, Gauge, Meter, Histogram
label_desc: Use image node_id 5 for calling a global function with example usage: test_histogram() without return types