Fix tests.

util/src/common.rs

@@ -24,6 +24,13 @@ pub use vector::*;
 pub use numbers::*;
 pub use sha3::*;
 
+#[macro_export]
+macro_rules! vec_into {
+	( $( $x:expr ),* ) => {
+		vec![ $( $x.into() ),* ]
+	}
+}
+
 #[macro_export]
 macro_rules! hash_map {
 	() => { HashMap::new() };