Polish "Fix content negotiation for /vets"

Closes gh-326

src/main/java/org/springframework/samples/petclinic/vet/VetController.java

 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2018 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.

src/main/resources/templates/vets/vetList.html

@@ -23,12 +23,5 @@
       </tr>
     </tbody>
   </table>
-
-  <table class="table-buttons">
-    <tr>
-      <td><a th:href="@{/vets}">View as XML</a></td>
-    </tr>
-  </table>
-
 </body>
 </html>

src/test/java/org/springframework/samples/petclinic/vet/VetControllerTests.java

@@ -17,10 +17,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.http.MediaType;
-import org.springframework.samples.petclinic.vet.Specialty;
-import org.springframework.samples.petclinic.vet.Vet;
-import org.springframework.samples.petclinic.vet.VetController;
-import org.springframework.samples.petclinic.vet.VetRepository;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.ResultActions;
@@ -65,8 +61,8 @@ public class VetControllerTests {
 
     @Test
     public void testShowResourcesVetList() throws Exception {
-        ResultActions actions = mockMvc.perform(get("/vets").accept(MediaType.APPLICATION_JSON))
-            .andExpect(status().isOk());
+        ResultActions actions = mockMvc.perform(get("/vets")
+            .accept(MediaType.APPLICATION_JSON)).andExpect(status().isOk());
         actions.andExpect(content().contentType("application/json;charset=UTF-8"))
             .andExpect(jsonPath("$.vetList[0].id").value(1));
     }