Added t/cover.t

MANIFEST

@@ -20,6 +20,7 @@ t/carp.t
 t/changes.t
 t/comment-spelling.t
 t/cookies.t
+t/cover.t
 t/critic.t
 t/cv.t
 t/dependent-modules.t

t/cover.t

@@ -0,0 +1,15 @@
+#!perl -w
+
+use strict;
+use warnings;
+
+use Test::Most;
+use Test::Needs 'Test::Strict';
+
+if($ENV{'AUTHOR_TESTING'}) {
+	Test::Strict->import();
+	all_perl_files_ok();
+	all_cover_ok(80);	# at least 80% coverage
+} else {
+	plan(skip_all => 'Author tests not required for installation');
+}