| Making a `@Mock` instance `static` will share the state across tests and can |
| make them order dependent and/or unclear to reader/maintainer. Removing |
| `static`, will ensure fresh mock instances are used for each tests. |
| |
| Additionally, if the `@Mock` instance is marked as `static` to make it |
| serializable, there is a cleaner way to do it : |
| https://javadoc.io/doc/org.mockito/mockito-core/latest/org/mockito/Mockito.html#serilization_across_classloader |
| and |
| https://javadoc.io/static/org.mockito/mockito-core/3.3.3/org/mockito/Mock.html#serializable-- |
