Consistent use of <pre class="code">

Issue: SPR-8108

spring-test-mvc/src/main/java/org/springframework/test/web/client/MockRestServiceServer.java

@@ -39,7 +39,7 @@ import org.springframework.web.client.support.RestGatewaySupport;
  * actual running server.
  *
  * <p>Below is an example:
- * <pre>
+ * <pre class="code">
  * RestTemplate restTemplate = new RestTemplate()
  * MockRestServiceServer mockServer = MockRestServiceServer.createServer(restTemplate);
  *

spring-test-mvc/src/main/java/org/springframework/test/web/servlet/MockMvc.java

@@ -32,7 +32,7 @@ import org.springframework.util.Assert;
  *
  * <p>Below is an example:
  *
- * <pre>
+ * <pre class="code">
  * static imports:
  * MockMvcBuilders.*, MockMvcRequestBuilders.*, MockMvcResultMatchers.*
  *

spring-test-mvc/src/main/java/org/springframework/test/web/servlet/ResultActions.java

@@ -31,7 +31,7 @@ public interface ResultActions {
 
 	/**
 	 * Provide an expectation. For example:
-	 * <pre>
+	 * <pre class="code">
 	 * static imports: MockMvcRequestBuilders.*, MockMvcResultMatchers.*
 	 *
 	 * mockMvc.perform(get("/person/1"))
@@ -52,7 +52,7 @@ public interface ResultActions {
 
 	/**
 	 * Provide a general action. For example:
-	 * <pre>
+	 * <pre class="code">
 	 * static imports: MockMvcRequestBuilders.*, MockMvcResultMatchers.*
 	 *
 	 * mockMvc.perform(get("/form")).andDo(print());

spring-test-mvc/src/main/java/org/springframework/test/web/servlet/ResultHandler.java

@@ -25,7 +25,7 @@ package org.springframework.test.web.servlet;
  *
  * <p>Example:
  *
- * <pre>
+ * <pre class="code">
  * static imports: MockMvcRequestBuilders.*, MockMvcResultHandlers.*
  *
  * mockMvc.perform(get("/form")).andDo(print());

spring-test-mvc/src/main/java/org/springframework/test/web/servlet/ResultMatcher.java

@@ -24,7 +24,7 @@ package org.springframework.test.web.servlet;
  *
  * <p>Example:
  *
- * <pre>
+ * <pre class="code">
  * static imports: MockMvcRequestBuilders.*, MockMvcResultMatchers.*
  *
  * mockMvc.perform(get("/form"))

spring-test-mvc/src/main/java/org/springframework/test/web/servlet/request/MockMvcRequestBuilders.java

@@ -117,14 +117,14 @@ public abstract class MockMvcRequestBuilders {
 	 * {@link MvcResult} of the request that started async processing.
 	 *
 	 * <p>Usage involves performing one request first that starts async processing:
-	 * <pre>
+	 * <pre class="code">
 	 * MvcResult mvcResult = this.mockMvc.perform(get("/1"))
 	 *	.andExpect(request().asyncStarted())
 	 *	.andReturn();
 	 *  </pre>
 	 *
 	 * <p>And then performing the async dispatch re-using the {@code MvcResult}:
-	 * <pre>
+	 * <pre class="code">
 	 * this.mockMvc.perform(asyncDispatch(mvcResult))
 	 * 	.andExpect(status().isOk())
 	 * 	.andExpect(content().contentType(MediaType.APPLICATION_JSON))

spring-test-mvc/src/main/java/org/springframework/test/web/servlet/result/ContentResultMatchers.java

@@ -117,7 +117,7 @@ public class ContentResultMatchers {
 
 	/**
 	 * Assert the response body content with a Hamcrest {@link Matcher}.
-	 * <pre>
+	 * <pre class="code">
 	 * mockMvc.perform(get("/path"))
 	 *   .andExpect(content(containsString("text")));
 	 * </pre>