Recently the TestDockerStart test is failing always:
[2020-07-30T13:17:45.664Z] FAILURES:
[2020-07-30T13:17:45.664Z] Package: github.com/elastic/beats/v7/libbeat/autodiscover/providers/docker
[2020-07-30T13:17:45.664Z] Test: TestDockerStart
[2020-07-30T13:17:45.664Z] TestDockerStart: docker_integration_test.go:125: Timeout waiting for provider events
[2020-07-30T13:17:45.664Z] ----
[2020-07-30T13:17:45.664Z] SUMMARY:
[2020-07-30T13:17:45.664Z] Fail: 1
[2020-07-30T13:17:45.664Z] Skip: 9
[2020-07-30T13:17:45.664Z] Pass: 1917
[2020-07-30T13:17:45.664Z] Packages: 114
[2020-07-30T13:17:45.664Z] Duration: 7m31.342788597s
[2020-07-30T13:17:45.664Z] Coverage Report: /go/src/github.com/elastic/beats/libbeat/build/TEST-go-integration.html
[2020-07-30T13:17:45.664Z] JUnit Report: /go/src/github.com/elastic/beats/libbeat/build/TEST-go-integration.xml
[2020-07-30T13:17:45.664Z] Output File: /go/src/github.com/elastic/beats/libbeat/build/TEST-go-integration.out
[2020-07-30T13:17:45.664Z] >> go test: Integration Test Failed
[2020-07-30T13:17:45.664Z] Error: go test failed: 1 test failures
[2020-07-30T13:17:45.664Z] github.com/elastic/beats/v7/dev-tools/mage.GoTest
[2020-07-30T13:17:45.664Z] /var/lib/jenkins/workspace/Beats_beats_master/src/github.com/elastic/beats/dev-tools/mage/gotest.go:309
[2020-07-30T13:17:45.664Z] github.com/elastic/beats/v7/dev-tools/mage/target/integtest.GoIntegTest.func1
[2020-07-30T13:17:45.664Z] /var/lib/jenkins/workspace/Beats_beats_master/src/github.com/elastic/beats/dev-tools/mage/target/integtest/integtest.go:71
[2020-07-30T13:17:45.664Z] github.com/elastic/beats/v7/dev-tools/mage.(*DockerIntegrationTester).InsideTest
[2020-07-30T13:17:45.664Z] /var/lib/jenkins/workspace/Beats_beats_master/src/github.com/elastic/beats/dev-tools/mage/integtest_docker.go:175
[2020-07-30T13:17:45.664Z] github.com/elastic/beats/v7/dev-tools/mage.(*IntegrationRunner).Test
[2020-07-30T13:17:45.664Z] /var/lib/jenkins/workspace/Beats_beats_master/src/github.com/elastic/beats/dev-tools/mage/integtest.go:263
[2020-07-30T13:17:45.664Z] github.com/elastic/beats/v7/dev-tools/mage/target/integtest.GoIntegTest
[2020-07-30T13:17:45.664Z] /var/lib/jenkins/workspace/Beats_beats_master/src/github.com/elastic/beats/dev-tools/mage/target/integtest/integtest.go:70
[2020-07-30T13:17:45.664Z] main.main.func26
[2020-07-30T13:17:45.664Z] /var/lib/jenkins/workspace/Beats_beats_master/src/github.com/elastic/beats/libbeat/mage_output_file.go:569
[2020-07-30T13:17:45.664Z] main.main.func12.1
[2020-07-30T13:17:45.664Z] /var/lib/jenkins/workspace/Beats_beats_master/src/github.com/elastic/beats/libbeat/mage_output_file.go:284
[2020-07-30T13:17:45.664Z] runtime.goexit
[2020-07-30T13:17:45.664Z] /var/lib/jenkins/workspace/Beats_beats_master/.gvm/versions/go1.14.4.linux.amd64/src/runtime/asm_amd64.s:1373
Recently the TestDockerStart test is failing always: