BAEL-2512 - Add a new section in Mockito Spy article

testing-modules/mockito/src/test/java/org/baeldung/mockito/misusing/MockitoMisusingUnitTest.java

@@ -17,6 +17,7 @@ public class MockitoMisusingUnitTest {
     public void givenNotASpy_whenDoReturn_thenThrowNotAMock() {
         try {
             List<String> list = new ArrayList<String>();
+            
             Mockito.doReturn(100)
                 .when(list)
                 .size();