VsCode extension tests

### Area for Improvement

The tests for the Vs Code extension are not currently being run by the build/test pipeline.

### Observed behavior

_No response_

### Desired behavior

The tests should be run and fail the pipeline if they do not pass.

### Proposed Fix

_No response_

### Drasi Version

n/a

### Operating system

_No response_

### Additional context

_No response_