  GrpcHealthCheckerImplTestBase() {
    EXPECT_CALL(*cluster_->info_, features())
        .WillRepeatedly(Return(Upstream::ClusterInfo::Features::HTTP2));
  }
  GrpcHealthCheckerImplTestBase() {
    EXPECT_CALL(*cluster_->info_, features())
        .WillRepeatedly(Return(Upstream::ClusterInfo::Features::HTTP2));
  }