[Improve] Add clamp(0, 1) in test

[Yshuo-Li]

No description provided.

[codecov]

Codecov Report

Merging #805 (55b9c90) into master (7cb8153) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #805      +/-   ##
==========================================
- Coverage   83.04%   83.03%   -0.02%     
==========================================
  Files         216      216              
  Lines       12240    12240              
  Branches     1975     1975              
==========================================
- Hits        10165    10163       -2     
- Misses       1767     1768       +1     
- Partials      308      309       +1     

Flag	Coverage Δ
unittests	82.99% <100.00%> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
...t/models/video_interpolators/basic_interpolator.py	97.36% <100.00%> (ø)
...ls/components/stylegan2/generator_discriminator.py	84.93% <0.00%> (-1.21%)	⬇️

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