diff --git a/spring-webflux/src/test/java/org/springframework/web/reactive/result/view/AbstractViewTests.java b/spring-webflux/src/test/java/org/springframework/web/reactive/result/view/AbstractViewTests.java
index a825f3165d..925406dd11 100644
--- a/spring-webflux/src/test/java/org/springframework/web/reactive/result/view/AbstractViewTests.java
+++ b/spring-webflux/src/test/java/org/springframework/web/reactive/result/view/AbstractViewTests.java
@@ -1,27 +1,40 @@
+/*
+ * Copyright 2002-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.springframework.web.reactive.result.view;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 import io.reactivex.Observable;
 import io.reactivex.Single;
 import org.junit.Before;
 import org.junit.Test;
-import org.springframework.http.MediaType;
-import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
-import org.springframework.mock.http.server.reactive.test.MockServerWebExchange;
-import org.springframework.tests.sample.beans.TestBean;
-import org.springframework.ui.Model;
-import org.springframework.web.server.ServerWebExchange;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 import reactor.test.StepVerifier;
 
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.logging.Level;
+import org.springframework.http.MediaType;
+import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
+import org.springframework.mock.http.server.reactive.test.MockServerWebExchange;
+import org.springframework.tests.sample.beans.TestBean;
+import org.springframework.web.server.ServerWebExchange;
 
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
+import static org.junit.Assert.*;
 
 /**
  * Unit tests for {@link AbstractView}.
@@ -37,12 +50,13 @@ public class AbstractViewTests {
         this.exchange = MockServerHttpRequest.get("/").toExchange();
     }
 
+    @SuppressWarnings("unchecked")
     @Test
     public void resolveAsyncAttributes() {
 
         TestBean testBean1 = new TestBean("Bean1");
         TestBean testBean2 = new TestBean("Bean2");
-        Map<String, Object> attributes = new HashMap();
+        Map<String, Object> attributes = new HashMap<>();
         attributes.put("attr1", Mono.just(testBean1));
         attributes.put("attr2", Flux.just(testBean1, testBean2));
         attributes.put("attr3", Single.just(testBean2));