[BUG] Task Remove swap from /etc/fstab does not remove swap entry from file

[plirglo]

Describe the bug
Test if remove swap task works correctly on every supported platform. On Ubuntu 18.04 task does not remove swap entry.

How to reproduce
Steps to reproduce the behavior:

1. execute epicli apply ...
2. confirm in /etc/fstab if swap is disabled

Expected behavior
According to task swap entry should be removed, and swap should be disabled after reboot.

Config files
N/A

Environment

• Cloud provider: [None]
• OS: Ubuntu 18.04 / 20.04 (vagrant's generic/ubuntu) but should be similar on other platforms

epicli version: 1.2

Example:
This is how /etc/fstab file looks like on vagrant's generic/ubuntu2004:

none instead swap in mount point column causes that no changes will be done by existing task.

Create backport task to v1.0 before close this one
Backport task: #2993

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DoD checklist

• Changelog
  • updated
  • not needed
• COMPONENTS.md
  • updated
  • not needed
• Schema
  • updated
  • not needed
• Backport tasks
  • created
  • not needed
• Documentation
  • added
  • updated
  • not needed
• Feature has automated tests
• Automated tests passed (QA pipelines)
  • apply
  • upgrade
  • backup/restore
• Idempotency tested
• All conversations in PR resolved

[przemyslavic]

✔️ Fixed