crash in CI unit test: bootstrap_processor.lazy_pruning_missing_block

[dsiganos]

[ RUN      ] bootstrap_processor.lazy_pruning_missing_block
Assertion (election != nullptr) failed
void nano::blocks_confirm(nano::node &, const std::vector<std::shared_ptr<nano::block> > &, const bool)
/Users/runner/work/nano-node/nano-node/nano/test_common/system.cpp:258

 0# nano::generate_stacktrace() in /Users/runner/work/nano-node/nano-node/build/./core_test
 1# assert_internal(char const*, char const*, char const*, unsigned int, bool, std::__1::basic_string_view<char, std::__1::char_traits<char> >) in /Users/runner/work/nano-node/nano-node/build/./core_test
 2# nano::blocks_confirm(nano::node&, std::__1::vector<std::__1::shared_ptr<nano::block>, std::__1::allocator<std::__1::shared_ptr<nano::block> > > const&, bool) in /Users/runner/work/nano-node/nano-node/build/./core_test
 3# bootstrap_processor_lazy_pruning_missing_block_Test::TestBody() in /Users/runner/work/nano-node/nano-node/build/./core_test
 4# void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) in /Users/runner/work/nano-node/nano-node/build/./core_test
 5# void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) in /Users/runner/work/nano-node/nano-node/build/./core_test
 6# testing::Test::Run() in /Users/runner/work/nano-node/nano-node/build/./core_test
 7# testing::TestInfo::Run() in /Users/runner/work/nano-node/nano-node/build/./core_test
 8# testing::TestSuite::Run() in /Users/runner/work/nano-node/nano-node/build/./core_test
 9# testing::internal::UnitTestImpl::RunAllTests() in /Users/runner/work/nano-node/nano-node/build/./core_test
10# bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) in /Users/runner/work/nano-node/nano-node/build/./core_test
11# bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) in /Users/runner/work/nano-node/nano-node/build/./core_test
12# testing::UnitTest::Run() in /Users/runner/work/nano-node/nano-node/build/./core_test
13# RUN_ALL_TESTS() in /Users/runner/work/nano-node/nano-node/build/./core_test
14# main in /Users/runner/work/nano-node/nano-node/build/./core_test

../ci/test.sh: line 41: 56622 Abort trap: 6           ${TIMEOUT_CMD} ${TIMEOUT_TIME_ARG} ${TIMEOUT_DEFAULT} ./core_test
+ core_test_res=134

https://github.com/nanocurrency/nano-node/runs/6028848975?check_suite_focus=true#step:6:400