Fixup Jetty package import

Author: philwebb

spring-boot-project/spring-boot-jetty/src/test/java/org/springframework/boot/jetty/servlet/autoconfigure/JettyServletWebServerServletContextListenerTests.java

@@ -18,8 +18,8 @@
 
 import jakarta.servlet.ServletContextListener;
 
-import org.springframework.boot.autoconfigure.web.server.servlet.AbstractServletWebServerServletContextListenerTests;
 import org.springframework.boot.jetty.servlet.JettyServletWebServerFactory;
+import org.springframework.boot.web.server.servlet.AbstractServletWebServerServletContextListenerTests;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;