Ignore tests
diff --git a/.gitignore b/.gitignore
index b538747..f7dcf8f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,8 +22,7 @@
 # in-source build.
 bin/
 lib/
-/test/benchmark_test
-/test/re_test
+/test/*_test
 
 # exuberant ctags.
 tags