Format with rustfmt 0.7.0
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
index 508389f..5bffa7b 100644
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -25,7 +25,7 @@
         Ok(s) => s,
         Err(_) => {
             env::set_var("RUST_MIN_STACK", 16000000.to_string());
-            return
+            return;
         }
     };
     let min_stack_value: usize = min_stack_value