RealtimeWYSIWYGEditorIT#restrictScriptMacroExecution is flickering

org.openqa.selenium.ElementNotInteractableException: 
element not interactable
  (Session info: chrome=129.0.6668.58)
Build info: version: '4.24.0', revision: '748ffc9bc3'
System info: os.name: 'Linux', os.arch: 'amd64', os.version: '6.1.0-23-cloud-amd64', java.version: '17.0.12'
Driver info: org.openqa.selenium.remote.RemoteWebDriver
Command: [b09430146ad4439b7230d3fbea53d61a, sendKeysToElement {value=[Ljava.lang.CharSequence;@1473ed94, id=f.FAB7D52F8ACBAF6B495BBFFB6402A364.d.E06AB1D6E8BD374035854659D499A811.e.3402}]
Capabilities {acceptInsecureCerts: false, browserName: chrome, browserVersion: 129.0.6668.58, chrome: {chromedriverVersion: 129.0.6668.58 (81a06fb873a9..., userDataDir: /tmp/.org.chromium.Chromium...}, fedcm:accounts: true, goog:chromeOptions: {debuggerAddress: localhost:36667}, goog:loggingPrefs: {browser: ALL}, networkConnectionEnabled: false, pageLoadStrategy: normal, platformName: linux, proxy: Proxy(), se:cdp: ws://172.17.0.7:4444/sessio..., se:cdpVersion: 129.0.6668.58, se:containerName: , se:gridWebSocketUrl: ws://localhost:7799/session..., se:noVncPort: 7900, se:vnc: ws://172.17.0.7:4444/sessio..., se:vncEnabled: true, se:vncLocalAddress: ws://172.17.0.7:7900, setWindowRect: true, strictFileInteractability: false, timeouts: {implicit: 0, pageLoad: 300000, script: 30000}, unhandledPromptBehavior: ignore, webSocketUrl: ws://172.17.0.7:4444/sessio..., webauthn:extension:credBlob: true, webauthn:extension:largeBlob: true, webauthn:extension:minPinLength: true, webauthn:extension:prf: true, webauthn:virtualAuthenticators: true}
Element: [org.openqa.selenium.remote.RemoteWebElement@6e2cc662 -> unknown locator]
Session ID: b09430146ad4439b7230d3fbea53d61a
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
	at org.openqa.selenium.remote.ErrorCodec.decode(ErrorCodec.java:167)
	at org.openqa.selenium.remote.codec.w3c.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:138)
	at org.openqa.selenium.remote.codec.w3c.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:50)
	at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:190)
	at org.openqa.selenium.remote.TracedCommandExecutor.execute(TracedCommandExecutor.java:53)
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:545)
	at org.openqa.selenium.remote.RemoteWebElement.execute(RemoteWebElement.java:223)
	at org.openqa.selenium.remote.RemoteWebElement.sendKeys(RemoteWebElement.java:110)
	at org.xwiki.ckeditor.test.po.RichTextAreaElement.sendKeys(RichTextAreaElement.java:164)
	at org.xwiki.realtime.wysiwyg.test.ui.RealtimeWYSIWYGEditorIT.restrictScriptMacroExecution(RealtimeWYSIWYGEditorIT.java:1145)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)