1. Replace fetch_api_client with Class object for HTTP Connections.
2. Fetch Host information instead of hard-coding.
3. Fix routers, snapshots tests with minor changes.
1.Tests related KVM Hosts
2.Tests related iSCSI Storage
3.Tests related secondary Storage
4.Split the settings file and added the test data into each of the test cases.
5.Removed environment specific settings for Network related entities.