Fix Docker integration test to use status.waitFor

[brynblack]

Specification

As a stopgap for fixing the CI jobs we had to remove the usage of status.waitFor in the Docker integration tests. The reason for this is despite fixing how the filesystems were mounted for testing, any file changes inside of the container were not propagated back to the host filesystem. This means we could not check the status for any state change inside the test.

We need to figure out how to properly mount the filesystem between the host and the container filesystem to make sure that changes are propagated between both, and we need to update the test to use status.waitFor.

Additional context

• https://docs.docker.com/storage/bind-mounts/
• https://github.com/MatrixAI/Polykey-CLI/actions/runs/9851423793/job/27198430268

Tasks

1. Work out how to properly bind mount
2. Fix up the tests

[linear]

ENG-354 Fix Docker integration test to use `status.waitFor`