message: Fix test case in reader_ops_test
diff: @@ -22,6 +22,7 @@ import collections
  import gzip
  import os
  import shutil
  +import sys
  import threading
  import zlib
  @@ -754,7 +755,10 @@ class LMDBReaderTest(test.TestCase):
  def setUp(self):
  super(LMDBReaderTest, self).setUp()
  # Copy database out because we need the path to be writable to use locks.
  - path = os.path.join(prefix_path, "lmdb", "testdata", "data.mdb")
  + # The on-disk format of an LMDB file is different on big-endian machines,
  + # because LMDB is a memory-mapped database.
  + db_file = "data.mdb" if sys.byteorder == "little" else "data_bigendian.mdb"
  + path = os.path.join(prefix_path, "lmdb", "testdata", db_file)
  self.db_path = os.path.join(self.get_temp_dir(), "data.mdb")
  shutil.copy(path, self.db_path)
  