Only run test if Graph::Directed installed

diff --git a/t/09sqlt-diagram.t b/t/09sqlt-diagram.t
index 49d8282..12f724f 100644 (file)
--- a/t/09sqlt-diagram.t
+++ b/t/09sqlt-diagram.t
@@ -13,7 +13,8 @@ BEGIN {
     maybe_plan(
         3,
         'SQL::Translator::Parser::MySQL',
-        'SQL::Translator::Producer::Diagram'
+        'SQL::Translator::Producer::Diagram',
+        'Graph::Directed',
     );
 }