private static MethodDelegation mockInterceptor() {
    return MethodDelegation.withDefaultConfiguration()
      .withBinders(Morph.Binder.install(ByteBuddyInvoker.class))
      .to(ByteBuddyInterceptorAdapter.class);
  }
Returns {@code true}, if the mock is considered local
<p>
A mock is considered local, if all additional interfaces of the mock (including {@link ISpockMockObject}) are
loadable by the target class' classloader.

@param targetClass The to-be-mocked class
@param additionalInterfaces Additional interfaces of the to-be-mocked type
@return true, if this is a local mock. Otherwise false
spock-core/src/main/java/org/spockframework/mock/runtime/ByteBuddyMockFactory.java