message: Quic test fix: put writeLimit test behind DEBUG flag
  Summary:
  The CHECK has been changed to DCHECK, so the EXPECT_DEATH now only
  passes in DEBUG build
diff: @@ -323,12 +323,14 @@ TEST(BufWriterTest, BasicWrite) {
  EXPECT_EQ(64, reader.template readBE<uint64_t>());
  }
  +#ifdef DEBUG
  TEST(BufWriterTest, WriteLimit) {
  auto testBuffer = folly::IOBuf::create(100);
  BufWriter writer(*testBuffer, 0);
  uint8_t eight = 8;
  EXPECT_DEATH(writer.writeBE(eight), "");
  }
  +#endif
  TEST(BufWriterTest, Push) {
  auto testBuffer = folly::IOBuf::create(100);
  