Removed environment and variables file from OSDU Test
- Removed the need for an environment file
- Removed the need for a variables file
- Add --hostname flag
- Added support for fetching environment from the config service
- Removed unused flags
- Removed unused unit tests
- Renamed --auth-type metadata to --auth-type default-account
- Added working default to --auth-type
- Fixed bug when other httpClient was used to send OAuth authorization request
- Added os.Exit(1) at the end of testing in case of some tests failure
Edited by Danylo Vanin (EPAM)