some diagnostics for observed timeouts

[jtnord]

org.openqa.selenium.TimeoutException:
Expected condition failed: Timed out waiting on '#workflow-editor-1 .ace_text-input' to be rendered.
(tried for 20 seconds with 500 milliseconds interval)
Build info: version: '4.40.0', revision: 'b3333f1'
System info: os.name: 'Linux', os.arch: 'amd64', os.version: '6.12.55+', java.version: '21.0.10'
Driver info: driver.version: unknown
	at org.openqa.selenium.support.ui.FluentWait.timeoutException(FluentWait.java:276)
	at org.jenkinsci.test.acceptance.junit.Wait.timeoutException(Wait.java:191)
	at org.openqa.selenium.support.ui.FluentWait.until(FluentWait.java:231)
	at org.jenkinsci.test.acceptance.junit.Wait.until(Wait.java:120)
	at org.jenkinsci.test.acceptance.po.WorkflowJob.waitForRenderOf(WorkflowJob.java:79)
	at org.jenkinsci.test.acceptance.po.WorkflowJob$1.waitFor(WorkflowJob.java:70)
	at org.jenkinsci.test.acceptance.po.WorkflowJob$1.set(WorkflowJob.java:54)

Testing done

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