use pretty_assertions for improved test output

1 files changed, 3 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index fce2397..248697d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,6 +30,9 @@ extern crate predicates;
 #[cfg(test)]
 #[macro_use]
 extern crate maplit;
+#[cfg(test)]
+#[macro_use]
+extern crate pretty_assertions;
 
 extern crate atty;
 extern crate backtrace;