Replace macro_use extern crate in tests
diff --git a/tests/test_precedence.rs b/tests/test_precedence.rs
index f516b40..41e1f12 100644
--- a/tests/test_precedence.rs
+++ b/tests/test_precedence.rs
@@ -14,12 +14,10 @@
//! spans.
//! 5. Compare the expressions with one another, if they are not equal fail.
-#[macro_use]
extern crate quote;
extern crate rayon;
extern crate regex;
extern crate rustc_data_structures;
-#[macro_use]
extern crate smallvec;
extern crate syn;
extern crate syntax;
@@ -28,8 +26,10 @@
mod features;
+use quote::quote;
use rayon::iter::{IntoParallelIterator, ParallelIterator};
use regex::Regex;
+use smallvec::smallvec;
use syntax::ast;
use syntax::ptr::P;
use walkdir::{DirEntry, WalkDir};