Add owner annotation to the class level

[dprymudrau]

Describe the solution you'd like
Instead of writing @MethodOwner to each test method in class it would be better to make owner of test class that makes me automatically owner of all tests in class. If smb else made test method in class he can override value by adding annotation @MethodOwner to needed test method

Additional context
@TestClassOwner(owner = "dprymudrau") public class MyTestClass implements IAbstractTest {

[ghost]

verified, fixed.