Fix grails latest dep test (#2857)

instrumentation/grails-3.0/javaagent/src/test/groovy/test/ErrorController.groovy

@@ -16,4 +16,9 @@ class ErrorController implements Controller {
   def index() {
     render ERROR.body
   }
+
+  @Action
+  def notFound() {
+    response.sendError(404, "Not Found")
+  }
 }

instrumentation/grails-3.0/javaagent/src/test/groovy/test/GrailsTest.groovy

@@ -101,6 +101,11 @@ class GrailsTest extends HttpServerTest<ConfigurableApplicationContext> implemen
     endpoint == ERROR || endpoint == EXCEPTION || endpoint == NOT_FOUND
   }
 
+  @Override
+  int getErrorPageSpansCount(ServerEndpoint endpoint) {
+    endpoint == NOT_FOUND ? 2 : 1
+  }
+
   @Override
   boolean testPathParam() {
     true
@@ -109,11 +114,19 @@ class GrailsTest extends HttpServerTest<ConfigurableApplicationContext> implemen
   @Override
   void errorPageSpans(TraceAssert trace, int index, Object parent, String method = "GET", ServerEndpoint endpoint) {
     trace.span(index) {
-      name endpoint == NOT_FOUND ? "BasicErrorController.error" : "ErrorController.index"
+      name endpoint == NOT_FOUND ? "ErrorController.notFound" : "ErrorController.index"
       kind INTERNAL
       attributes {
       }
     }
+    if (endpoint == NOT_FOUND) {
+      trace.span(index + 1) {
+        name ~/\.sendError$/
+        kind INTERNAL
+        attributes {
+        }
+      }
+    }
   }
 
   @Override

instrumentation/grails-3.0/javaagent/src/test/groovy/test/UrlMappings.groovy

@@ -16,5 +16,6 @@ class UrlMappings {
     "/path/$id/param"(controller: 'test', action: 'path')
 
     "500"(controller: 'error')
+    "404"(controller: 'error', action: 'notFound')
   }
 }