CI(tests): LFX term 2 Pre-task submission

[navin772]

Purpose of PR?:
LFX pre-task - Create atleast 1 new and unique test for KubeArmor in any mode.

New tests:

Tests for KubeArmor running in k8s mode:

1. tests/k8s_env/multicontainer/

   • Check if policy is applied when there is a non-existent container name in the array - "[container-1, non-existent-container ]"

2. tests/k8s_env/hsp/ -

   • New test suite to test host policy enforcement in k8s mode
   • Tests added:
     • Process: Block access to date command in the host
     • File path: Block access to /etc/hostname file

Tests for KubeArmor running in systemd mode:

1. tests/nonk8s_env/hsp/ -
   • New test suite to test KubeArmor in systemd mode
   • Tests added:
     • Process: Block access to sleep command in host
     • File: Block access to /etc/hostname file

Improvement in test coverage:

• Previous coverage - composite coverage: 64.4% of statements
• New Coverage - composite coverage: 70.6% of statements

Does this PR introduce a breaking change?
No

Checklist:

• Bug fix. Fixes #
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• PR Title follows the convention of <type>(<scope>): <subject>
• Commit has unit tests
• Commit has integration tests