message: Replace DEBUG check with NDEBUG check in Quic BufUtil death test
  Summary: as title. Also move PushLimit to this section as well
diff: @@ -323,13 +323,20 @@ TEST(BufWriterTest, BasicWrite) {
  EXPECT_EQ(64, reader.template readBE<uint64_t>());
  }
  -#ifdef DEBUG
  +#ifndef NDEBUG
  TEST(BufWriterTest, WriteLimit) {
  auto testBuffer = folly::IOBuf::create(100);
  BufWriter writer(*testBuffer, 0);
  uint8_t eight = 8;
  EXPECT_DEATH(writer.writeBE(eight), "");
  }
  +
  +TEST(BufWriterTest, PushLimit) {
  + auto testBuffer = folly::IOBuf::create(100);
  + BufWriter writer(*testBuffer, 100);
  + auto biggerBuffer = folly::IOBuf::create(200);
  + EXPECT_DEATH(writer.push(biggerBuffer->data(), 200), "");
  +}
  #endif
  TEST(BufWriterTest, Push) {
  @@ -344,13 +351,6 @@ TEST(BufWriterTest, Push) {
  reader.readFixedString(inputBuffer->computeChainDataLength()));
  }
  -TEST(BufWriterTest, PushLimit) {
  - auto testBuffer = folly::IOBuf::create(100);
  - BufWriter writer(*testBuffer, 100);
  - auto biggerBuffer = folly::IOBuf::create(200);
  - EXPECT_DEATH(writer.push(biggerBuffer->data(), 200), "");
  -}
  -
  TEST(BufWriterTest, InsertSingle) {
  auto testBuffer = folly::IOBuf::create(100);
  BufWriter writer(*testBuffer, 100);
  