230   static std::vector<std::string> ListDir(const std::string& path) {  in ListDir()
259   static void DeleteIfExists(const std::string& path) {  in DeleteIfExists()
414 bool RegularFileExists(const std::string& path) {  in RegularFileExists()
422 bool DirExists(const std::string& path) {  in DirExists()
430 void CreateDir(const std::string& path) {  in CreateDir()
437 void CreateFile(const std::string& path) {  in CreateFile()
443 void CreateFileWithExpectedProperties(const std::string& path) {  in CreateFileWithExpectedProperties()
462 void ExpectFileWithExpectedProperties(const std::string& path) {  in ExpectFileWithExpectedProperties()
478 Result<std::vector<std::string>> ReadEntireDir(const std::string& path) {  in ReadEntireDir()
519   for (const auto& device : devices) {  in TEST_F()  local
557   for (const auto& device : devices) {  in TEST_F()  local
1620     const std::string path =  in TEST()  local