* added basic ios_smoke files
* added smoke tests for network.common.config
* added tests for network.common.utils
* added remainder of test cases
(cherry picked from commit 01bd9759e3)
* added basic ios_smoke files
* added smoke tests for network.common.config
* added tests for network.common.utils
* added remainder of test cases
(cherry picked from commit 01bd9759e3)