fix enum error test for real this time

The error messages generated by type validations are not consistent, and
will be different if Devel::PartialDump is installed.

t/type_constraints/enum.t

@@ -82,6 +82,6 @@ like( exception {
 }, qr/enum called with an array reference and additional arguments\. Did you mean to parenthesize the enum call's parameters\?/ );
 
 my $enum_msg_test = Moose::Meta::TypeConstraint::Enum->new(name => 'EnumMessageTest', values => \@valid_languages);
-is $enum_msg_test->get_message($invalid_languages[0]), qq[Validation failed for 'EnumMessageTest' with value "$invalid_languages[0]". Value must be equal to "PASM", "PIR", "Perl 5", or "Perl 6".];
+like $enum_msg_test->get_message($invalid_languages[0]), qr[\AValidation failed for 'EnumMessageTest' with value "?\Q$invalid_languages[0]\E"?\. Value must be equal to "PASM", "PIR", "Perl 5", or "Perl 6"\.\z];
 
 done_testing;