Random failing HelpServerInterrupt.testServerWithInterrupt

```
java.net.SocketTimeoutException: Read timed out
at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:278)
at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:304)
at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:346)
at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:796)
at java.base/java.net.Socket$SocketInputStream.read(Socket.java:1099)
at java.base/java.io.BufferedInputStream.fill(BufferedInputStream.java:291)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:347)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:399)
at java.base/sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:827)
at java.base/sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:759)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1690)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1599)
at org.eclipse.ua.tests.help.webapp.HelpServerInterrupt.checkServer(HelpServerInterrupt.java:114)
at org.eclipse.ua.tests.help.webapp.HelpServerInterrupt.testServerWithInterrupt(HelpServerInterrupt.java:66)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
```
https://download.eclipse.org/eclipse/downloads/drops4/I20241125-1220/testresults/html/org.eclipse.ua.tests_ep435I-unit-linux-x86_64-java21_linux.gtk.x86_64_21.html

Increasing the timeout may be a valid option.