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/print/pprust.rs b/src/libsyntax/print/pprust.rs
index 5a57e09fcff..980ce720026 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -3008,7 +3008,7 @@ impl<'a> State<'a> {
 fn repeat(s: &str, n: usize) -> String { iter::repeat(s).take(n).collect() }
 
 #[cfg(test)]
-mod test {
+mod tests {
     use super::*;
 
     use ast;