tests: consistently use done_testing instead of no_plan

debian/changelog

@@ -15,6 +15,7 @@ ikiwiki (3.20150615) UNRELEASED; urgency=medium
   * Run autopkgtest tests using autodep8 and the pkg-perl team's
     infrastructure
   * t/img.t: do not spuriously skip
+  * tests: consistently use done_testing instead of no_plan
 
  -- Simon McVittie <smcv@debian.org>  Mon, 15 Jun 2015 18:13:23 +0100
 

t/parentlinks.t

@@ -4,7 +4,7 @@
 
 use warnings;
 use strict;
-use Test::More 'no_plan';
+use Test::More;
 
 my %expected;
 
@@ -79,3 +79,5 @@ sub test_loop($$) {
 
 # Main
 test_loop('parentlinks', $expected{'parentlinks'});
+
+done_testing();