QA:Testcase install repository Mirrorlist default

Description

This install verifies that Boot.iso image is recognizable and installable by Anaconda.

How to test

1. Burn Netinst.iso/Boot.iso image to a writable CD
2. Boot system from this ISO
3. When prompted, enable network interface
4. At the package installation step, selecting a set of packages from auto retrieved mirror links
5. Remove the ISO before rebooting into installed system when instructed by installer

Expected Results

1. System should boot into installer properly from boot.iso image
2. Anaconda retrieves installation information and adds package repository mirror links automatically
3. Anaconda functions properly and successfully installs required packages
4. Package errors should not occur
5. System boots successfully