[Hello] Broken Locobot tests

## Type of Issue

Select the type of issue:
- [ ] Bug report (to report a bug)
- [ ] Feature request (to request an additional feature)
- [x] Tracker (I am just using this as a tracker)
- [ ] Refactor request
- [ ] Documentation Ask

## Description

Some Locobot tests involving navigation broke somewhere during the development of `semantic_exploration_with_hector_slam`. Since no one is using Locobots for now, the tests are simply commented out.

[test_move_relative](https://github.com/facebookresearch/fairo/blob/f4334c9738499f57dc2f4a4aedb8a153b0cfba05/droidlet/lowlevel/locobot/tests/test_mover.py#L29)
[test_go_to_absolute](https://github.com/facebookresearch/fairo/blob/f4334c9738499f57dc2f4a4aedb8a153b0cfba05/droidlet/lowlevel/locobot/tests/test_habitat.py#L59)

## Current Behavior

Description of current behavior or functionality.

## Expected Behavior

Description of the expected behavior or functionality. In case of feature request, please add input and expected output.

## Steps to reproduce

Please add steps to reproduce the bug here along with the stack trace.

## Links to any relevant pastes or documents

Please post links to any relevant documents that might contain any extra information.

## Checklist

Use this checklist if you are using this issue as a tracker:

- [ ] Task 1
- [ ] Task 2
- [ ] Task 3 ...