unstable unit test AsyncTasksTest.AsyncTasksCommon

[JaySon-Huang]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

2. What did you expect to see? (Required)

3. What did you see instead (Required)

https://do.pingcap.net/jenkins/blue/rest/organizations/jenkins/pipelines/pingcap/pipelines/tiflash/pipelines/pull_unit_test/runs/971/nodes/231/steps/234/log/?start=0

Note: Google Test filter = AsyncTasksTest.AsyncTasksCommon
�[m�[0;32m[==========] �[mRunning 1 test from 1 test case.
�[0;32m[----------] �[mGlobal test environment set-up.
�[0;32m[----------] �[m1 test from AsyncTasksTest
�[0;32m[ RUN      ] �[mAsyncTasksTest.AsyncTasksCommon
gtests_dbms: /home/jenkins/agent/workspace/tiflash-build-common/tiflash/dbms/src/Storages/KVStore/tests/gtest_async_tasks.cpp:264: virtual void DB::tests::AsyncTasksTest_AsyncTasksCommon_Test::TestBody(): Assertion `current_step < max_steps' failed.
Received signal Aborted

  0x562c040e594e	StackTrace::StackTrace() [gtests_dbms+296864078]
  0x562bfa8b3154	fault_signal_handler(int) [gtests_dbms+137273684]
  0x7f4616b58400	<unknown symbol> [libc.so.6+222208]
  0x7f4616b58387	raise [libc.so.6+222087]
  0x7f4616b59a78	abort [libc.so.6+227960]
  0x7f4616b511a6	__assert_fail_base [libc.so.6+192934]
  0x7f4616b51252	__GI___assert_fail [libc.so.6+193106]
  0x562bfa16f1e2	DB::tests::AsyncTasksTest_AsyncTasksCommon_Test::TestBody() [gtests_dbms+129655266]
  0x562c00a746cb	void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) [gtests_dbms+239777483]
  0x562c00a56eca	void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) [gtests_dbms+239656650]
  0x562c00a3c786	testing::Test::Run() [gtests_dbms+239548294]
  0x562c00a3d297	testing::TestInfo::Run() [gtests_dbms+239551127]
  0x562c00a3d803	testing::TestCase::Run() [gtests_dbms+239552515]
  0x562c00a47aa4	testing::internal::UnitTestImpl::RunAllTests() [gtests_dbms+239594148]
  0x562c00a74c3b	bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) [gtests_dbms+239778875]
  0x562c00a58c6a	bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) [gtests_dbms+239664234]
  0x562c00a477d5	testing::UnitTest::Run() [gtests_dbms+239593429]
  0x562bfa8b77e1	RUN_ALL_TESTS() [gtests_dbms+137291745]
  0x562bfa8b3a84	main [gtests_dbms+137276036]
  0x7f4616b44555	__libc_start_main [libc.so.6+140629]
  0x562bf72903a9	<unknown symbol> [gtests_dbms+80507817]

4. What is your TiFlash version? (Required)

master base on 1a0a7e1

[CalvinNeo]

Increase the value of max_steps will be ok. Will fix in a batch in a later PR.

FAILED TESTS (1/2804):
4562 ms: /tiflash/gtests_dbms AsyncTasksTest.AsyncTasksCommon