NotificationEmailsIT is flickering

org.openqa.selenium.TimeoutException: 
Expected condition failed: waiting for org.xwiki.test.ui.XWikiWebDriver$$Lambda$1623/0x00007f4ef8b74000@abb7d35 (tried for 10 second(s) with 500 milliseconds interval)
Build info: version: '4.18.1', revision: 'b1d3319b48'
System info: os.name: 'Linux', os.arch: 'amd64', os.version: '4.19.0-16-cloud-amd64', java.version: '17.0.10'
Driver info: org.xwiki.test.ui.XWikiWebDriver
Capabilities {acceptInsecureCerts: false, browserName: chrome, browserVersion: 122.0.6261.69, chrome: {chromedriverVersion: 122.0.6261.69 (81bc525b6a36..., userDataDir: /tmp/.org.chromium.Chromium...}, fedcm:accounts: true, goog:chromeOptions: {debuggerAddress: localhost:35491}, goog:loggingPrefs: {browser: ALL}, networkConnectionEnabled: false, pageLoadStrategy: normal, platformName: linux, proxy: Proxy(), se:bidiEnabled: false, se:cdp: ws://172.17.0.7:4444/sessio..., se:cdpVersion: 122.0.6261.69, 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, webauthn:extension:credBlob: true, webauthn:extension:largeBlob: true, webauthn:extension:minPinLength: true, webauthn:extension:prf: true, webauthn:virtualAuthenticators: true}
Session ID: eebecd72ce9b9bcc4f2a9bf33832c224
	at org.openqa.selenium.support.ui.WebDriverWait.timeoutException(WebDriverWait.java:84)
	at org.openqa.selenium.support.ui.FluentWait.until(FluentWait.java:228)
	at org.xwiki.test.ui.XWikiWebDriver.waitUntilCondition(XWikiWebDriver.java:228)
	at org.xwiki.test.ui.XWikiWebDriver.waitUntilElementsAreVisible(XWikiWebDriver.java:330)
	at org.xwiki.test.ui.XWikiWebDriver.waitUntilElementIsVisible(XWikiWebDriver.java:285)
	at org.xwiki.platform.notifications.test.po.preferences.filters.AbstractNotificationFilterPreference.getBootstrapSwitchElement(AbstractNotificationFilterPreference.java:99)
	at org.xwiki.platform.notifications.test.po.preferences.filters.AbstractNotificationFilterPreference.<init>(AbstractNotificationFilterPreference.java:74)
	at org.xwiki.platform.notifications.test.po.preferences.filters.SystemNotificationFilterPreference.<init>(SystemNotificationFilterPreference.java:46)
	at org.xwiki.platform.notifications.test.po.AbstractNotificationsSettingsPage.getSystemNotificationFilterPreferences(AbstractNotificationsSettingsPage.java:284)
	at org.xwiki.platform.notifications.test.ui.NotificationsEmailsIT.setup(NotificationsEmailsIT.java:123)
	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)
	Suppressed: java.lang.NullPointerException: Cannot invoke "com.icegreen.greenmail.util.GreenMail.stop()" because "this.mail" is null
		at org.xwiki.platform.notifications.test.ui.NotificationsEmailsIT.tearDown(NotificationsEmailsIT.java:149)
		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.Collections$UnmodifiableCollection.forEach(Collections.java:1092)
		... 2 more