Fix SMT e2e tests

[pmachapman]

This PR fixes the e2e SMT tests which were breaking on machine.py:latest due to the build options validation logic blocking the NMT build options which were specified for an SMT build.

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This change is 

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.56%. Comparing base (f032547) to head (98d3767).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1026      +/-   ##
==========================================
- Coverage   72.58%   72.56%   -0.02%     
==========================================
  Files         391      391              
  Lines       21653    21653              
  Branches     2818     2818              
==========================================
- Hits        15717    15713       -4     
- Misses       4810     4814       +4     
  Partials     1126     1126              

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[ddaspit]

@ddaspit reviewed 1 file and all commit messages, and made 1 comment.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on Enkidu93).

[Enkidu93]

@Enkidu93 reviewed 1 file and all commit messages, and made 1 comment.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on pmachapman).