diff --git a/browserid/tests/db-test.js b/browserid/tests/db-test.js
index 4ab985fab4f82a942305c795d0efb5d63e781f80..3fe80e327a842d4c129da8143a9dc8e670f33b6b 100755
--- a/browserid/tests/db-test.js
+++ b/browserid/tests/db-test.js
@@ -396,9 +396,14 @@ function addTestsForDriver(driver) {
 }
 
 // test all available drivers
-addTestsForDriver("json");
-addTestsForDriver("sqlite");
+fs.readdir(path.join(__dirname, "..", "lib"), function(err, files) {
+  files.forEach(function(f) {
+    var m = /^db_(.+)\.js$/.exec(f);
+    if (m) addTestsForDriver(m[1]);
+  });
+
+  // run or export the suite.
+  if (process.argv[1] === __filename) suite.run();
+  else suite.export(module);
+});
 
-// run or export the suite.
-if (process.argv[1] === __filename) suite.run();
-else suite.export(module);