message: Replaced expected message with expected status code
  Should make test more portable
diff: @@ -7597,12 +7597,7 @@ TEST(BuildSymbolTableTest, ModuleInstancesFromProjectMissingFile) {
  symbol_table.BuildSingleTranslationUnit("file/not/found.txt",
  &build_diagnostics);
  ASSERT_FALSE(build_diagnostics.empty());
  -#ifdef _WIN32
  - EXPECT_THAT(build_diagnostics.front().message(),
  - HasSubstr("The system cannot find the path specified."));
  -#else
  - EXPECT_THAT(build_diagnostics.front().message(), HasSubstr("No such file"));
  -#endif
  + EXPECT_THAT(build_diagnostics.front().code(), absl::StatusCode::kNotFound);
  }
  TEST(BuildSymbolTableTest, ModuleInstancesFromProjectFilesGood) {
  