test(scorecard): long-running report generation websocket handling

[andrewazores]

• Revert "test(scorecard): adjust scorecard report generation expectation (test(scorecard): adjust scorecard report generation expectation #985)"
• test(scorecard): long-running report generation websocket handling

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Fixes: #986

Description of the change:

Adds a WebSocket client connection to the Cryostat instance, so that the test can exercise the full long-running job API for report generation.

Currently not working - the WebSocket connection does not open as expected, reporting a "bad status" error message.

Motivation for the change:

This change is helpful because users may want to...

How to manually test:

1. Insert steps here...
2. ...