Transformed into a Perl test

t/require_code_version.pl

-#!/usr/bin/env perl
-
-use strict;
-use warnings;
-
-use Bio::EnsEMBL::Hive::Version 2.0;
-
-print "Hello, world! We are using Hive version ".Bio::EnsEMBL::Hive::Version->get_code_version."\n";
-

t/require_code_version.t

+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+use Test::More;
+use Data::Dumper;
+
+eval "use Bio::EnsEMBL::Hive::Version 4.0";
+is($@ ? 0 : 1, 0, 'cannot import eHive 4.0');
+
+eval "use Bio::EnsEMBL::Hive::Version 2.0";
+is($@ ? 0 : 1, 1, 'can import eHive 2.0');
+