Change name of unit test sub-module to "tests".

Changes the style guidelines regarding unit tests to recommend using a
sub-module named "tests" instead of "test" for unit tests as "test"
might clash with imports of libtest.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libsyntax/ast_util.rs b/src/libsyntax/ast_util.rs
index 78f06ce5fd5..720b2095a90 100644
--- a/src/libsyntax/ast_util.rs
+++ b/src/libsyntax/ast_util.rs
@@ -632,7 +632,7 @@ pub fn lit_is_str(lit: &Lit) -> bool {
 }
 
 #[cfg(test)]
-mod test {
+mod tests {
     use ast::*;
     use super::*;