Add more Wasmi specific .wast tests

[Robbepop]

Carved out from #1512.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.26%. Comparing base (d26a06f) to head (11531f5).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1562      +/-   ##
==========================================
+ Coverage   72.23%   72.26%   +0.02%     
==========================================
  Files         179      179              
  Lines       16331    16331              
==========================================
+ Hits        11797    11801       +4     
+ Misses       4534     4530       -4     

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