e2e test TestGithubSecondPullRequestConcurrencyMultiplePR is failing sometime

[chmouel]

the artifacts are not available anymore but when it shows we need to dig into the logs of e2e to see if there is any clues why cleanup didn't work properly

out of 18, waiting 10s more, 15/35"}
{"level":"info","ts":1716791990.2163646,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 8 out of 18, waiting 10s more, 16/35"}
{"level":"info","ts":1716792000.256401,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 7 out of 18, waiting 10s more, 17/35"}
{"level":"info","ts":1716792010.2988453,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 6 out of 18, waiting 10s more, 18/35"}
{"level":"info","ts":1716792020.3391192,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 6 out of 18, waiting 10s more, 19/35"}
{"level":"info","ts":1716792030.374956,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 5 out of 18, waiting 10s more, 20/35"}
{"level":"info","ts":1716792040.4162462,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 4 out of 18, waiting 10s more, 21/35"}
{"level":"info","ts":1716792050.4529085,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 4 out of 18, waiting 10s more, 22/35"}
{"level":"info","ts":1716792060.4852042,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 3 out of 18, waiting 10s more, 23/35"}
{"level":"info","ts":1716792070.5413985,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 2 out of 18, waiting 10s more, 24/35"}
{"level":"info","ts":1716792080.5747092,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 2 out of 18, waiting 10s more, 25/35"}
{"level":"info","ts":1716792090.6038084,"caller":"test/github_pullrequest_concurrency_multiplepr_test.go:130","msg":"number of unsuccessful PR 1 out of 18, waiting 10s more, 26/35"}
    github_pullrequest_concurrency_multiplepr_test.go:140: assertion failed: 10 (int) != 9 (allPipelinesRunAfterCleanUp int): we should have had 9 kept after cleanup, we got 10