sub dynamic_require {
    my ($self, $ns_extension) = @_;

    my $class = join '::', __PACKAGE__, $ns_extension;
    my $source = <<~EOF;
        package $class;
        use parent 'MooselessRequireHookTest';
        1;
        EOF
    push @INC, sub {
        my ($coderef, $filename) = @_;
        my $wanted_filename = $class =~ s{::}{/}gr . '.pm';
        return unless $filename eq $wanted_filename;
        return \$source;
    };
    eval "require $class;";

    return;
}