[Python] run [write/compare] in isolated process#117
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While trying to use the new python regression suite on BeamAdapter, I stumbled on a weird problem:
after generating regression data and then immediately check the tests, there was a regression error in 3instruments_collis.
After investigation, by Claude, it appears that if the regression tests are done individually, no errors are reported.
The conclusion is that there is some leaks in BeamAdapter (statics/?) polluting the sequence of tests.
The general solution (because it can appear in other situations) is to isolate each test, in their own process, to guarantee the correctness/consistency of the test(s).