More braces fixed

src/test/java/com/singlestone/contacts/controller/ContactControllerTest.java

@@ -69,7 +69,7 @@ public class ContactControllerTest {
         return testContactDTO;
     }
 
-    private static String asJsonString(final Object obj){
+    private static String asJsonString(final Object obj) {
         try{
             return new ObjectMapper().writeValueAsString(obj);
         }catch (Exception e){
@@ -78,7 +78,7 @@ public class ContactControllerTest {
     }
 
     @BeforeEach
-    public void setup(){
+    public void setup() {
         mockMvc = MockMvcBuilders.standaloneSetup(contactController).build();
     }