config: add tests

1 files changed, 3 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 9765185..cfb8fbe 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -26,6 +26,9 @@ extern crate tempfile;
 extern crate assert_fs;
 #[cfg(test)]
 extern crate predicates;
+#[cfg(test)]
+#[macro_use]
+extern crate maplit;
 
 extern crate atty;
 extern crate backtrace;