Replace `syscall.GetEnv` call from the tests with `os.GetEnv` for GAE use
Replace `syscall.GetEnv` call from the tests with `os.GetEnv` for GAE use

rastech/algoliasearch-client-go,algolia/algoliasearch-client-go,algoliareadmebot/algoliasearch-client-go,l4u/algoliasearch-client-go,algolia/algoliasearch-client-go,l4u/algoliasearch-client-go