add more missing author metadata

steveklabnik · web-flow · commit 87a322530a67 · 2018-12-05T15:35:07.000-05:00
diff --git a/_posts/2018-10-30-help-test-rust-2018.md b/_posts/2018-10-30-help-test-rust-2018.md
@@ -1,5 +1,6 @@
 ---
 title: "Help test Rust 2018"
+author: "The Rust Core Team"
 ---
 
 Back in July, we talked about ["Rust 2018"]. In short, we are launching a
