message: fix a google string vs std::string issue for easier import
diff: @@ -153,7 +153,9 @@ TEST_F(OptionsImplTest, SetAll) {
  EXPECT_EQ(envoy::admin::v2alpha::CommandLineOptions::v6,
  command_line_options->local_address_ip_version());
  EXPECT_EQ(options->drainTime().count(), command_line_options->drain_time().seconds());
  - EXPECT_EQ(spdlog::level::to_string_view(options->logLevel()), command_line_options->log_level());
  + // The right hand side char* will be converted into fmt::string_view and then compare.
  + EXPECT_EQ(spdlog::level::to_string_view(options->logLevel()),
  + command_line_options->log_level().data());
  EXPECT_EQ(options->logFormat(), command_line_options->log_format());
  EXPECT_EQ(options->logPath(), command_line_options->log_path());
  EXPECT_EQ(options->parentShutdownTime().count(),
  