really fix test

Author: jchristensen5k

library/deployment_test.go

@@ -159,7 +159,7 @@ func TestLibrary_Deployment_String(t *testing.T) {
   URL: %s,
   User: %s,
   Payload: %s,
-  Builds: %d
+  Builds: %d,
 }`,
 		d.GetCommit(),
 		d.GetDescription(),
@@ -171,7 +171,7 @@ func TestLibrary_Deployment_String(t *testing.T) {
 		d.GetURL(),
 		d.GetUser(),
 		d.GetPayload(),
-		d.GetBuilds(),
+		len(d.GetBuilds()),
 	)
 
 	// run test