Associated release criterion
This test case is associated with the Fedora_42_Beta_Release_Criteria#custom-partitioning release criterion. If you are doing release validation testing, a failure of this test case may be a breach of that release criterion. If so, please file a bug and nominate it as blocking the appropriate milestone, using the blocker bug nomination page.

Description

This test case tests the installer's ability to use blivet GUI custom partitioning.

How to test

Boot the installer using any available means
In Installation destination select the appropriate disk (or disks)
In Installation option make sure your disk is not set to be encrypted
Continue to custom partitioning:
- Choose I want to review/modify my disk partitions before continuing (when there is enough free space on chose disks)
- or click on Custom partitioning (otherwise)
Make sure your disk is not set to be encrypted
Use the custom partitioning screen to create disk layout
Proceed with the installation

Anaconda should successfully create, destroy and assign mount points to partitions of any specified size using most commonly-used filesystem types
Anaconda should reject obviously invalid operations without crashing
The system should install successfully
After install, the system initiates boot properly