Finalize Rackspace acceptance tests and fix various things
diff --git a/acceptance/openstack/db/v1/common.go b/acceptance/openstack/db/v1/common.go
index 2665ce4..f7ffc37 100644
--- a/acceptance/openstack/db/v1/common.go
+++ b/acceptance/openstack/db/v1/common.go
@@ -43,7 +43,11 @@
 }
 
 func (c context) Logf(msg string, args ...interface{}) {
-	c.test.Logf(msg, args)
+	if len(args) > 0 {
+		c.test.Logf(msg, args...)
+	} else {
+		c.test.Log(msg)
+	}
 }
 
 func (c context) AssertNoErr(err error) {