[Release-1.29] Backport missing E2E PRs

[dereknola]

Proposed Changes

Backports of:
#6280
#6749
#6961
#7168

Types of Changes

CI, Testing

Verification

CI still green

Testing

Linked Issues

User-Facing Change

Refactor run_tests.sh script 
Update to newer OS images for install testing
Add cleanup to e2e tests in vagrant env
Add e2e validation test for kine

Further Comments

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 8.87%. Comparing base (f31415b) to head (340dc70).

❗ There is a different number of reports uploaded between BASE (f31415b) and HEAD (340dc70). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (f31415b)	HEAD (340dc70)
unittests	1	0

Additional details and impacted files

@@               Coverage Diff               @@
##           release-1.29   #7205      +/-   ##
===============================================
- Coverage         16.62%   8.87%   -7.76%     
===============================================
  Files                32      33       +1     
  Lines              3423    3438      +15     
===============================================
- Hits                569     305     -264     
- Misses             2812    3110     +298     
+ Partials             42      23      -19     

Flag	Coverage Δ
inttests	8.87% <ø> (?)
unittests	?

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