Fix broken tests

src/test/java/org/springframework/samples/petclinic/owner/PetControllerTests.java

@@ -75,7 +75,7 @@ public class PetControllerTests {
         mockMvc.perform(post("/owners/{ownerId}/pets/new", TEST_OWNER_ID)
             .param("name", "Betty")
             .param("type", "hamster")
-            .param("birthDate", "2015/02/12")
+            .param("birthDate", "2015-02-12")
         )
             .andExpect(status().is3xxRedirection())
             .andExpect(view().name("redirect:/owners/{ownerId}"));
@@ -85,7 +85,7 @@ public class PetControllerTests {
     public void testProcessCreationFormHasErrors() throws Exception {
         mockMvc.perform(post("/owners/{ownerId}/pets/{petId}/edit", TEST_OWNER_ID, TEST_PET_ID)
             .param("name", "Betty")
-            .param("birthDate", "2015/02/12")
+            .param("birthDate", "2015-02-12")
         )
             .andExpect(model().attributeHasNoErrors("owner"))
             .andExpect(model().attributeHasErrors("pet"))
@@ -106,7 +106,7 @@ public class PetControllerTests {
         mockMvc.perform(post("/owners/{ownerId}/pets/{petId}/edit", TEST_OWNER_ID, TEST_PET_ID)
             .param("name", "Betty")
             .param("type", "hamster")
-            .param("birthDate", "2015/02/12")
+            .param("birthDate", "2015-02-12")
         )
             .andExpect(status().is3xxRedirection())
             .andExpect(view().name("redirect:/owners/{ownerId}"));