Fix test failures

Author: sgrif

examples/postgres/advanced-blog-cli/src/schema.rs

@@ -35,4 +35,8 @@ joinable!(comments -> posts (post_id));
 joinable!(comments -> users (user_id));
 joinable!(posts -> users (user_id));
 
-allow_tables_to_appear_in_same_query!(comments, posts, users,);
+allow_tables_to_appear_in_same_query!(
+    comments,
+    posts,
+    users,
+);

examples/postgres/all_about_updates/src/lib.rs

@@ -108,7 +108,7 @@ fn examine_sql_from_increment_visit_counts() {
     use posts::dsl::*;
 
     assert_eq!(
-        "UPDATE \"posts\" SET \"visit_count\" = \"posts\".\"visit_count\" + $1 \
+        "UPDATE \"posts\" SET \"visit_count\" = (\"posts\".\"visit_count\" + $1) \
          -- binds: [1]",
         debug_query::<Pg, _>(&diesel::update(posts).set(visit_count.eq(visit_count + 1)))
             .to_string()