Update tests to nightly-2018-08-23
diff --git a/tests/common/parse.rs b/tests/common/parse.rs
index e5a6a94..0f410e6 100644
--- a/tests/common/parse.rs
+++ b/tests/common/parse.rs
@@ -12,9 +12,9 @@
 extern crate syntax_pos;
 
 use self::syntax::ast;
-use self::syntax::codemap::FilePathMapping;
 use self::syntax::parse::{self, ParseSess};
 use self::syntax::ptr::P;
+use self::syntax::source_map::FilePathMapping;
 use self::syntax_pos::edition::Edition;
 use self::syntax_pos::{hygiene, FileName};