Remove or fix Flaky tests

[andre15silva]

There are some flaky tests currently.

I have identified two so far:

• https://github.com/eclipse/repairnator/blob/103e6415f012a58b4686a92c66b8d761f0f96253/src/repairnator-pipeline/src/test/java/fr/inria/spirals/repairnator/pipeline/TestPipeline.java#L55 Failed and Passed Reason: org.eclipse.jgit.api.errors.TransportException: Connection timed out (Connection timed out)

• https://github.com/eclipse/repairnator/blob/103e6415f012a58b4686a92c66b8d761f0f96253/src/repairnator-pipeline/src/test/java/fr/inria/spirals/repairnator/pipelineb/TestPipelinebGithubMode.java#L67 Failed and Passed, Failed and Passed Can't determine reason because there's no access to test report

[monperrus]

Can we close this one?

[andre15silva]

This still happens from time to time, so I think it's better to keep it open.

[andre15silva]

Another flaky test identified:

• https://github.com/eclipse/repairnator/blob/103e6415f012a58b4686a92c66b8d761f0f96253/src/repairnator-pipeline/src/test/java/fr/inria/spirals/repairnator/process/step/TestGatherTestInformation.java#L109 Failed and Passed Reason: sometimes the error message of the test project returns two lines without \n separating them

[monperrus]

TestMetrics4BearsJsonFile.testBearsJsonFileWithPassingPassingBuilds is flaky, last instance is https://ci.eclipse.org/repairnator/job/repairnator-ci/job/monperrus-patch-2/1/console