std: clean json test imports

diff --git a/src/libstd/json.rs b/src/libstd/json.rs
index 7c9b15bfded3871f1b3a7191cbce27a04b3595c5..c0104a6a92097b38ce4964bd9dcdc34a59e4dac1 100644 (file)
--- a/src/libstd/json.rs
+++ b/src/libstd/json.rs
@@ -1195,15 +1195,11 @@ fn to_str(&self) -> ~str {
 
 #[cfg(test)]
 mod tests {
-    use core::prelude::*;
-
-    use json::*;
-    use serialize;
+    use super::*;
 
-    use core::result;
+    use core::prelude::*;
     use core::hashmap::linear::LinearMap;
 
-
     fn mk_object(items: &[(~str, Json)]) -> Json {
         let mut d = ~LinearMap::new();