UserProfileIT.changeAvatarImage is flickering

Timed out after 10 seconds. Unable to locate the element

org.openqa.selenium.NoSuchElementException: Timed out after 10 seconds. Unable to locate the element
	at org.openqa.selenium.support.pagefactory.AjaxElementLocator.findElement(AjaxElementLocator.java:90)
	at org.openqa.selenium.support.pagefactory.internal.LocatingElementHandler.invoke(LocatingElementHandler.java:38)
	at jdk.proxy2/jdk.proxy2.$Proxy106.click(Unknown Source)
	at org.xwiki.user.test.po.ProfileUserProfilePage.changeAvatarImage(ProfileUserProfilePage.java:154)
	at org.xwiki.user.test.ui.UserProfileIT.changeAvatarImage(UserProfileIT.java:177)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	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)
Caused by: org.openqa.selenium.NoSuchElementException: Unable to locate element: //div[@id='avatar']//a
For documentation on this error, please visit: https://www.selenium.dev/documentation/webdriver/troubleshooting/errors#no-such-element-exception
Build info: version: '4.32.0', revision: 'd17c8aa950'
System info: os.name: 'Linux', os.arch: 'amd64', os.version: '6.1.0-33-cloud-amd64', java.version: '17.0.15'
Driver info: org.openqa.selenium.remote.RemoteWebDriver
Command: [35a4ac8e-7ac3-42fe-9b44-34fd39c2824b, findElement {using=xpath, value=//div[@id='avatar']//a}]
Capabilities {acceptInsecureCerts: true, browserName: firefox, browserVersion: 139.0.1, container:hostname: d35abc1e8e30, moz:accessibilityChecks: false, moz:buildID: 20250529122813, moz:firefoxOptions: {prefs: {dom.disable_beforeunload: false, remote.active-protocols: 1, remote.events.async.enabled: false}}, moz:geckodriverVersion: 0.36.0, moz:headless: false, moz:platformVersion: 6.1.0-33-cloud-amd64, moz:processID: 173, moz:profile: /tmp/rust_mozprofilezb8LNt, moz:shutdownTimeout: 60000, moz:webdriverClick: true, moz:windowless: false, pageLoadStrategy: normal, platformName: linux, proxy: Proxy(), se:cdpEnabled: false, se:containerName: d35abc1e8e30, se:gridWebSocketUrl: ws://127.0.0.1:19075/sessio..., 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, userAgent: Mozilla/5.0 (X11; Linux x86..., webSocketUrl: ws://172.17.0.7:4444/sessio...}
Session ID: 35a4ac8e-7ac3-42fe-9b44-34fd39c2824b
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
	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:215)
	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.ElementLocation$ElementFinder$2.findElement(ElementLocation.java:165)
	at org.openqa.selenium.remote.ElementLocation.findElement(ElementLocation.java:59)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:368)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:362)
	at org.xwiki.test.ui.XWikiWebDriver.findElement(XWikiWebDriver.java:714)
	at org.openqa.selenium.support.pagefactory.DefaultElementLocator.findElement(DefaultElementLocator.java:68)
	at org.openqa.selenium.support.pagefactory.AjaxElementLocator.access$001(AjaxElementLocator.java:38)
	at org.openqa.selenium.support.pagefactory.AjaxElementLocator$SlowLoadingElement.isLoaded(AjaxElementLocator.java:156)
	at org.openqa.selenium.support.ui.SlowLoadableComponent.get(SlowLoadableComponent.java:79)
	at org.openqa.selenium.support.pagefactory.AjaxElementLocator.findElement(AjaxElementLocator.java:86)
	... 8 more