Traceback (most recent call last):
  File "src/soc/fu/mul/test/test_pipe_caller_long.py", line 76, in <module>
    unittest.main()
  File "/usr/lib/python3.7/unittest/main.py", line 101, in __init__
    self.runTests()
  File "/usr/lib/python3.7/unittest/main.py", line 271, in runTests
    self.result = testRunner.run(self.test)
  File "/usr/lib/python3.7/unittest/runner.py", line 176, in run
    test(result)
  File "/usr/lib/python3.7/unittest/suite.py", line 84, in __call__
    return self.run(*args, **kwds)
  File "/usr/lib/python3.7/unittest/suite.py", line 122, in run
    test(result)
  File "/usr/lib/python3.7/unittest/suite.py", line 84, in __call__
    return self.run(*args, **kwds)
  File "/usr/lib/python3.7/unittest/suite.py", line 122, in run
    test(result)
  File "/usr/lib/python3.7/unittest/case.py", line 663, in __call__
    return self.run(*args, **kwds)
  File "/usr/lib/python3.7/unittest/case.py", line 615, in run
    testMethod()
  File "/usr/lib/python3.7/contextlib.py", line 130, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3.7/unittest/case.py", line 73, in testPartExecutor
    self.errors.append((test_case, exc_info))
MemoryError