feat: Add additional e2e tests

[ishaansehgal99]

Add e2e tests for mistral and phi-2

Note: This PR also:

1. Checks deletion timestamp - to ensure nodes being deleted aren't considered qualified
2. Corrects mistral version from 0.0.1 -> 0.0.2. 0.0.2 is actually the latest/correct version

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.33%. Comparing base (de2b45c) to head (806a2dd).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #256      +/-   ##
==========================================
+ Coverage   65.27%   65.33%   +0.06%     
==========================================
  Files          14       14              
  Lines        1123     1125       +2     
==========================================
+ Hits          733      735       +2     
  Misses        352      352              
  Partials       38       38              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.