--- a/src/lib.rs
+++ b/src/lib.rs
@@ -106,3 +106,3 @@
 
-#[cfg(feature = "db")]
+#[cfg(any(feature = "db", test))]
 pub mod timezones;
@@ -117,3 +117,3 @@
 
-#[cfg(feature = "db")]
+#[cfg(any(feature = "db", test))]
 pub use timezone_impl::Tz;