SPT-1998 Проверка отмены таски в нодах

[mrandrewsmith]

Что сделано

• Каждая нода теперь проверяет жива ли таска
• Тесты на новый функционал

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.33%. Comparing base (58cdde8) to head (1ee4784).

Additional details and impacted files

@@                          Coverage Diff                          @@
##           SPT-1998-combine-task-cancelation     #132      +/-   ##
=====================================================================
+ Coverage                              91.02%   91.33%   +0.31%     
=====================================================================
  Files                                     87       87              
  Lines                                   1304     1351      +47     
=====================================================================
+ Hits                                    1187     1234      +47     
  Misses                                   117      117              

Flag	Coverage Δ
tests	91.33% <100.00%> (+0.31%)	:arrow_up:

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