🐛 [expect] Explicit operator bool does not work with expect(), Fi…

[krzysztof-jusiak]

…x #85

Problem:

Solution:

Issue: #

Reviewers:
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[codecov]

Codecov Report

Merging #87 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #87      +/-   ##
==========================================
+ Coverage   98.71%   98.72%   +<.01%     
==========================================
  Files          25       25              
  Lines        2176     2190      +14     
==========================================
+ Hits         2148     2162      +14     
  Misses         28       28

Impacted Files	Coverage Δ
include/boost/ut.hpp	95.89% <ø> (ø)	⬆️
test/ut/ut.cpp	99.36% <100%> (+0.01%)	⬆️
example/expect.cpp	100% <100%> (ø)	⬆️

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