hide generation timestamp for perl (#4614)

samples/client/petstore/perl/t/ArrayOfArrayOfNumberOnlyTest.t

@@ -0,0 +1,33 @@
+=begin comment
+
+Swagger Petstore
+
+This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+
+OpenAPI spec version: 1.0.0
+Contact: apiteam@swagger.io
+Generated by: https://github.com/swagger-api/swagger-codegen.git
+
+=end comment
+
+=cut
+
+#
+# NOTE: This class is auto generated by the Swagger Codegen
+# Please update the test cases below to test the model.
+# Ref: https://github.com/swagger-api/swagger-codegen
+#
+use Test::More tests => 2;
+use Test::Exception;
+
+use lib 'lib';
+use strict;
+use warnings;
+
+
+use_ok('WWW::SwaggerClient::Object::ArrayOfArrayOfNumberOnly');
+
+my $instance = WWW::SwaggerClient::Object::ArrayOfArrayOfNumberOnly->new();
+
+isa_ok($instance, 'WWW::SwaggerClient::Object::ArrayOfArrayOfNumberOnly');
+