The IcebergIO Integration Tests job is flaky

[github-actions]

The IcebergIO Integration Tests is failing over 50% of the time.
Please visit https://github.com/apache/beam/actions/workflows/IO_Iceberg_Integration_Tests.yml?query=is%3Afailure+branch%3Amaster to see all failed workflow runs.
See also Grafana statistics: http://metrics.beam.apache.org/d/CTYdoxP4z/ga-post-commits-status?orgId=1&viewPanel=11&var-Workflow=IcebergIO%20Integration%20Tests

[ahmedabu98]

Looks like the tests rely on having a security key file:

beam/sdks/java/io/iceberg/src/test/java/org/apache/beam/sdk/io/iceberg/IcebergIOIT.java

Lines 111 to 112 in 1284986

	catalogHadoopConf.set(
	"fs.gs.auth.service.account.json.keyfile", System.getenv("GOOGLE_APPLICATION_CREDENTIALS"));

[github-actions]

Reopening since the workflow is still flaky

[shunping]

@ahmedabu98, looks like it is timeout but without any useful information in the log. Could you check it again?

[ahmedabu98]

Trying something here #33509

[kennknowles]

Doesn't seem to have solved it

[Abacn]

could it be related? #33776