vlib/v/checker/tests/interface_field_name_err.vv:2:2: error: field name `Age` cannot contain uppercase letters, use snake_case instead
    1 | interface Animal {
    2 |     Age int
      |     ~~~
    3 |     Foo &int
    4 |     Bar []string
vlib/v/checker/tests/interface_field_name_err.vv:3:2: error: field name `Foo` cannot contain uppercase letters, use snake_case instead
    1 | interface Animal {
    2 |     Age int
    3 |     Foo &int
      |     ~~~
    4 |     Bar []string
    5 | }
vlib/v/checker/tests/interface_field_name_err.vv:4:2: error: field name `Bar` cannot contain uppercase letters, use snake_case instead
    2 |     Age int
    3 |     Foo &int
    4 |     Bar []string
      |     ~~~
    5 | }
    6 |