CItests are flaky which leads to failing integrations

agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,221.221 INFO:run_tests.py:115(15581): ======================================================================agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,221.221 INFO:run_tests.py:115(15581): ERROR: test_getDocProjects (__main__.TestReleaseExportTool)agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,221.221 INFO:run_tests.py:115(15581): ----------------------------------------------------------------------agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,221.221 INFO:run_tests.py:115(15581): Traceback (most recent call last):agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,221.221 INFO:run_tests.py:115(15581): File "/home/qt/work/qtqa/tqtc-coin-ci/src/repositorymanager.py", line 552, in resolve_submoduleagent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,222.222 INFO:run_tests.py:115(15581): await self.ensureRepoExists(repo.gerritInstance, repo.project)agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,222.222 INFO:run_tests.py:115(15581): File "/usr/lib/python3.6/asyncio/coroutines.py", line 129, in throwagent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,222.222 INFO:run_tests.py:115(15581): return self.gen.throw(type, value, traceback)agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,222.222 INFO:run_tests.py:115(15581): File "/home/qt/work/qtqa/tqtc-coin-ci/src/utils.py", line 259, in async_lru_cached_wrapperagent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,222.222 INFO:run_tests.py:115(15581): result = await future_resultagent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,222.222 INFO:run_tests.py:115(15581): File "/usr/lib/python3.6/asyncio/coroutines.py", line 126, in sendagent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,222.222 INFO:run_tests.py:115(15581): return self.gen.send(value)agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,222.222 INFO:run_tests.py:115(15581): File "/home/qt/work/qtqa/tqtc-coin-ci/src/repositorymanager.py", line 110, in ensureRepoExistsagent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,222.222 INFO:run_tests.py:115(15581): await clone("--bare", repoUrl, diskPath)agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,223.223 INFO:run_tests.py:115(15581): File "/usr/lib/python3.6/asyncio/coroutines.py", line 110, in __next__agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,223.223 INFO:run_tests.py:115(15581): return self.gen.send(None)agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,223.223 INFO:run_tests.py:115(15581): File "/home/qt/work/qtqa/tqtc-coin-ci/src/ash.py", line 146, in __call__agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,223.223 INFO:run_tests.py:115(15581): raise sh.ErrorReturnCode_128(" ".join(processed_args), stdout, stderr)agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,223.223 INFO:run_tests.py:115(15581): sh.ErrorReturnCode_128:

agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,223.223 INFO:run_tests.py:115(15581): RAN: git --no-pager clone --bare ssh://codereview.qt-project.org:29418/qt/qtapplicationmanager /home/qt/ci-working-dir/git-repos/qt-project/qt/qtapplicationmanageragent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,223.223 INFO:run_tests.py:115(15581): agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,224.224 INFO:run_tests.py:115(15581): STDOUT:agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,224.224 INFO:run_tests.py:115(15581): agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,224.224 INFO:run_tests.py:115(15581): agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,224.224 INFO:run_tests.py:115(15581): STDERR:agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,224.224 INFO:run_tests.py:115(15581): Cloning into bare repository '/home/qt/ci-working-dir/git-repos/qt-project/qt/qtapplicationmanager'...agent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,224.224 INFO:run_tests.py:115(15581): packet_write_wait: Connection to 54.194.93.196 port 29418: Broken pipeagent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,224.224 INFO:run_tests.py:115(15581): fatal: The remote end hung up unexpectedlyagent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,225.225 INFO:run_tests.py:115(15581): fatal: early EOFagent:2019/05/28 09:53:38 build.go:197: 2019-05-28 12:53:38,225.225 INFO:run_tests.py:115(15581): fatal: index-pack failed