[BUG] E2E Testing Hole for Supported Platforms

[gregbell26]

Description

Issue

Currently, there is testing hole in the E2E pipeline.

We are using the generic image to verify the executions of the platforms that the autograder supports,
but these environments are not exactly the same as the actual deployed environment.

Solution

This should be corrected so that we build and deploy in the same way for both PL and GS, and have proper E2E tests for that.

Acceptance Criteria

• Pipeline builds example
• Example is sent to a similar deployment environment to prod
• Example final build output is verified
• Example results are verified