Add missing warning pragmas

Author: ferki

t/base_virt.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 2;
 

t/batch.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 2;
 use Rex::Commands;

t/case.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 7;
 use Rex::Commands;

t/cron.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More;
 

t/dmi.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 31;
 

t/env.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 1;
 

t/issue_539.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 16;
 use Rex::Hardware::Network::Linux;

t/last_command_output.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 3;
 

t/lib/t/tasks/alien.pm

@@ -1,6 +1,7 @@
 package t::tasks::alien;
 
 use v5.12.5;
+use warnings;
 
 use Rex -base;
 

t/lib/t/tasks/chicken.pm

@@ -1,6 +1,7 @@
 package t::tasks::chicken;
 
 use v5.12.5;
+use warnings;
 
 use Rex -base;
 

t/lib/t/tasks/cowbefore.pm

@@ -1,6 +1,7 @@
 package t::tasks::cowbefore;
 
 use v5.12.5;
+use warnings;
 
 use Rex -base;
 

t/lib/t/tasks/cowboy.pm

@@ -1,6 +1,7 @@
 package t::tasks::cowboy;
 
 use v5.12.5;
+use warnings;
 
 use Rex -base;
 

t/net_interface_centos7.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 6;
 use Rex::Hardware::Network::Linux;

t/network_linux.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 44;
 use Rex::Hardware::Network::Linux;

t/no_tty.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 3;
 

t/param_lookup.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 package main;
 

t/param_lookup_cmdb.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Rex -base;
 use Rex::Resource;

t/param_lookup_resource.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 package MyTest;
 

t/path.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 3;
 

t/resource.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 11;
 use Rex -base;

t/task_hosts.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 package main;
 

t/url_encode.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 1;
 

t/xml.t

@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 
 use v5.12.5;
+use warnings;
 
 use Test::More tests => 6;
 use FindBin qw($Bin);