package 'MyRole';
use Moo::Role;

sub foo { 
    return 'blah';
}

##</code><code>##

package MyClass;
use Moo;
with 'MyRole';

around foo => sub {
    my ($self, $orig) = @_;
    
    if ($self->$orig eq 'baz') {
        return 'bak';
   }
   return $self->$orig;
}

##</code><code>##

use MyClass;
use Test::Most;
use Test::MockModule;

my $mock = Test::MockModule->new('MyRole');
$mock->mock('foo' => sub { return 'baz' });

my $obj = MyClass->new;
# Does not work
is $obj->foo, 'bak', 'Foo is what it oughtta be';