fix(jest): reduce memory usage #8753
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By combining `node --expose-gc` with `jest --logHeapUsage`.
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* fix(jest): reduce memory usage
By combining `node --expose-gc` with `jest --logHeapUsage`.
* fix(jest): isolate modules with ts-jest
* ci(pr-kumascript): run if {jest.config,package}.json change
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Summary
(MP-363)
Problem
The kumascript unit tests are failing since April, because they're reaching the maximum heap size.
Solution
node --expose-gcwithjest --logHeapUsageto regularly collect garbage.isolateModulesoption.jest.config.jsonorpackage.jsonchange.)How did you test this change?