There is an updated pull request by mhmdanas against master on the void-packages repository

https://github.com/mhmdanas/void-packages ci-install-to-new-rootdir
https://github.com/void-linux/void-packages/pull/43304

common/travis: make check-install use new rootdir.
The CI has `base-chroot` installed, but sometimes this script would try to install `base-system,` causing conflicts. This PR fixes that issue by using a brand-new rootdir.

<!-- Uncomment relevant sections and delete options which are not applicable -->

#### Testing the changes
- I tested the changes in this PR: **NO**

How should I test this?

<!--
#### New package
- This new package conforms to the [package requirements](https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#package-requirements): **YES**|**NO**
-->

<!-- Note: If the build is likely to take more than 2 hours, please add ci skip tag as described in
https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#continuous-integration
and test at least one native build and, if supported, at least one cross build.
Ignore this section if this PR is not skipping CI.
-->
<!--
#### Local build testing
- I built this PR locally for my native architecture, (ARCH-LIBC)
- I built this PR locally for these architectures (if supported. mark crossbuilds):
  - aarch64-musl
  - armv7l
  - armv6l-musl
-->


A patch file from https://github.com/void-linux/void-packages/pull/43304.patch is attached