Тесты на prepare_value

[K1rL3s]

Описание

Скопировал и адаптировал тесты для prepare_value из aiogram'a
Теперь покрытие должно быть 100% =)

Тип изменения

• Документация (опечатки, примеры кода или любые другие обновления документации)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (e819672) to head (e0051f7).
Report is 5 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master       #24      +/-   ##
===========================================
+ Coverage   99.92%   100.00%   +0.07%     
===========================================
  Files         140       140              
  Lines        2638      2648      +10     
===========================================
+ Hits         2636      2648      +12     
+ Misses          2         0       -2     

Flag	Coverage Δ
unittests	100.00% <100.00%> (+0.07%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
aliceio/utils/funcs.py	100.00% <100.00%> (+6.66%)	⬆️
aliceio/webhook/aiohttp_server/base.py	100.00% <100.00%> (ø)