fix some suggester tests

by setting up the test class in the same way as e.g. SearchControllerTest

Author: vladak

opengrok-web/src/test/java/org/opengrok/web/api/v1/controller/SuggesterControllerTest.java

@@ -28,6 +28,12 @@
 import jakarta.ws.rs.core.GenericType;
 import jakarta.ws.rs.core.Response;
 import org.apache.lucene.index.Term;
+import org.glassfish.jersey.servlet.ServletContainer;
+import org.glassfish.jersey.test.DeploymentContext;
+import org.glassfish.jersey.test.ServletDeploymentContext;
+import org.glassfish.jersey.test.grizzly.GrizzlyWebTestContainerFactory;
+import org.glassfish.jersey.test.spi.TestContainerException;
+import org.glassfish.jersey.test.spi.TestContainerFactory;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
@@ -93,8 +99,13 @@ private static class TermIncrementData {
     private static TestRepository repository;
 
     @Override
-    protected Application configure() {
-        return new RestApp();
+    protected DeploymentContext configureDeployment() {
+        return ServletDeploymentContext.forServlet(new ServletContainer(new RestApp())).build();
+    }
+
+    @Override
+    protected TestContainerFactory getTestContainerFactory() throws TestContainerException {
+        return new GrizzlyWebTestContainerFactory();
     }
 
     @BeforeAll