test only - Add filter examples to ErrorController

Author: rbygrave

tests/test-nima-jsonb/src/main/java/org/example/ErrorController.java

@@ -2,8 +2,11 @@
 
 import io.avaje.http.api.Controller;
 import io.avaje.http.api.ExceptionHandler;
+import io.avaje.http.api.Filter;
+import io.helidon.webserver.http.FilterChain;
 import io.helidon.webserver.http.ServerRequest;
 import io.helidon.webserver.http.ServerResponse;
+import io.helidon.webserver.http.RoutingResponse;
 
 import java.util.Map;
 
@@ -18,4 +21,18 @@ Map<String, Object> runEx(RuntimeException ex, ServerRequest req, ServerResponse
     return Map.of("err", String.valueOf(ex));
   }
 
+  @Filter
+  void filter1(FilterChain chain, RoutingResponse res) {
+    chain.proceed();
+  }
+
+  @Filter
+  void filter2(FilterChain chain, RoutingResponse res) {
+    chain.proceed();
+  }
+
+  @Filter
+  void filter(FilterChain chain, RoutingResponse res) {
+    chain.proceed();
+  }
 }