bug 11542: Increase test coverage for Print.pm

to test
1. run prove t/Print.t
2. apply patch
3. run prove t/Print.t
Notice more tests are done

Signed-off-by: Roman Amor <romanwilton@gmail.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
UT passes, also passes koha-qa.pl

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Tests pass :)

Signed-off-by: Galen Charlton <gmc@esilibrary.com>

t/Print.t

@@ -6,9 +6,10 @@
 use strict;
 use warnings;
 
-use Test::More tests => 1;
+use Test::More tests => 2;
 
 BEGIN {
         use_ok('C4::Print');
 }
+ok( !NetworkPrint(""));