GimpCheatSheet: Add tests.

t/GimpCheatSheet.t

@@ -0,0 +1,30 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+use Test::More;
+use DDG::Test::Goodie;
+
+zci answer_type => "gimp_cheat";
+
+# This goodie always returns the same answer whenever its triggered
+my $test_zci = test_zci(
+        qr/^Help.*Tools.*File.*Edit.*Zoom tool.*/s,
+        heading => "GIMP Shortcut Cheat Sheet",
+        html => qr#<div(.*<table.*<tr.*<td.*</table.*)+</div>$#s,
+);
+
+ddg_goodie_test(
+    [ 'DDG::Goodie::GimpCheatSheet' ],
+    "gimp cheat sheet"     => $test_zci, 
+    "gimp cheatsheet"      => $test_zci, 
+    "gimp help"            => $test_zci,
+    "gimp quick reference" => $test_zci,
+    "gimp reference"       => $test_zci,
+    "gimp shortcut"        => $test_zci,
+    "gimp shortcuts"       => $test_zci
+);
+
+done_testing;
+