EXPECT_PRED2(UnimplementedOrReturnsCode, status, Code::OK);
  if (!status.ok()) GTEST_SKIP() << "RenameFile() not supported: " << status;

  status = env_->FileExists(filepath);
  EXPECT_PRED2(UnimplementedOrReturnsCode, status, Code::NOT_FOUND);
  status = env_->FileExists(new_filepath);
  EXPECT_PRED2(UnimplementedOrReturnsCode, status, Code::OK);
}

TEST_P(ModularFileSystemTest, TestRenameFileOverwrite) {

  return StatusFromTF_Status(plugin_status.get());
}

Status ModularFileSystem::FileExists(const std::string& fname,
                                     TransactionToken* token) {
  if (ops_->path_exists == nullptr)
    return errors::Unimplemented(tensorflow::strings::StrCat(
        "Filesystem for ", fname, " does not support FileExists()"));

  UniquePtrTo_TF_Status plugin_status(TF_NewStatus(), TF_DeleteStatus);