Sorry for the bad formatting (I cannot edit the message apaprently). Here it is again:
Caused by: org.openqa.selenium.WebDriverException: Unable to execute request for an existing session: Unable to find session with ID: 8c709715-6f38-4042-8dbf-1d7b91fc296c
Build info: version: '4.1.3', revision: '7b1ebf28ef'
System info: host: '18edc9896225', ip: '172.17.0.5', os.name: 'Linux', os.arch: 'amd64', os.version: '4.19.0-13-cloud-amd64', java.version: '11.0.14.1' Driver info: driver.version: unknown
Build info: version: '4.1.3', revision: '7b1ebf28ef'
System info: host: '29c22770d828', ip: '172.17.0.2', os.name: 'Linux', os.arch: 'amd64', os.version: '4.19.0-13-cloud-amd64', java.version: '11.0.6' Driver info: org.openqa.selenium.remote.RemoteWebDriver
Command: [8c709715-6f38-4042-8dbf-1d7b91fc296c, maximizeCurrentWindow {}]
Capabilities {acceptInsecureCerts: true, browserName: firefox, browserVersion: 99.0, javascriptEnabled: true, moz:accessibilityChecks: false, moz:buildID: 20220330194208, moz:debuggerAddress: localhost:46180, moz:firefoxOptions: {}, moz:geckodriverVersion: 0.30.0, moz:headless: false, moz:processID: 141, moz:profile: /tmp/rust_mozprofilei9LioD, moz:shutdownTimeout: 60000, moz:useNonSpecCompliantPointerOrigin: false, moz:webdriverClick: true, pageLoadStrategy: normal, platform: LINUX, platformName: LINUX, platformVersion: 4.19.0-13-cloud-amd64, proxy: Proxy(), se:cdp: ws://172.17.0.5:4444/sessio..., se:cdpVersion: 85.0, se:noVncPort: 7900, se:vnc: ws://172.17.0.5:4444/sessio..., se:vncEnabled: true, se:vncLocalAddress: ws://172.17.0.5:7900, setWindowRect: true, strictFileInteractability: false, timeouts: {implicit: 0, pageLoad: 300000, script: 30000}, unhandledPromptBehavior: dismiss and notify} Session ID: 8c709715-6f38-4042-8dbf-1d7b91fc296c
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at org.openqa.selenium.remote.codec.w3c.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:200)
at org.openqa.selenium.remote.codec.w3c.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:133)
at org.openqa.selenium.remote.codec.w3c.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:53)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:184)
at org.openqa.selenium.remote.TracedCommandExecutor.execute(TracedCommandExecutor.java:51)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:567)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:622)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:626)
at org.openqa.selenium.remote.RemoteWebDriver$RemoteWebDriverOptions$RemoteWindow.maximize(RemoteWebDriver.java:993)
at org.xwiki.test.docker.internal.junit5.XWikiDockerExtension.beforeEachInternal(XWikiDockerExtension.java:219)