I have added @SuppressWarnings("removal") to both JettyInteropTest and JettyTransportTest to suppress the deprecation warnings introduced by the Jetty 12 upgrade.

Author: kannanjgithub

servlet/src/jettyTest/java/io/grpc/servlet/JettyInteropTest.java

@@ -30,6 +30,7 @@
 import org.eclipse.jetty.servlet.ServletHolder;
 import org.junit.After;
 
+@SuppressWarnings("removal")
 public class JettyInteropTest extends AbstractInteropTest {
 
   private static final String HOST = "localhost";

servlet/src/jettyTest/java/io/grpc/servlet/JettyTransportTest.java

@@ -47,6 +47,7 @@
 import org.junit.Test;
 
 
+@SuppressWarnings("removal")
 public class JettyTransportTest extends AbstractTransportTest {
   private static final String MYAPP = "/service";