EXPECT_TRUE(histogram1.ParseFromString(
      {reinterpret_cast<const char*>(result1->data), result1->length}));
  EXPECT_EQ(histogram1.sum(), 3.0);
  TF_DeleteBuffer(result1);
  TFE_MonitoringDeleteSampler1(sampler1);

  auto* sampler2 = TFE_MonitoringNewSampler2("test/sampler2", buckets, status,
                                             "test", "label1", "label2");