Bless clippy tests.

Author: m-ou-se

tests/ui/author/macro_in_closure.stdout

@@ -34,7 +34,7 @@ if let StmtKind::Let(local) = stmt.kind
     && block2.stmts.is_empty()
     && let Some(trailing_expr1) = block2.expr
     && let ExprKind::Call(func2, args2) = trailing_expr1.kind
-    && paths::CORE_FMT_RT_NEW.matches_path(cx, func2) // Add the path to `clippy_utils::paths` if needed
+    && paths::CORE_FMT_ARGUMENTS_NEW.matches_path(cx, func2) // Add the path to `clippy_utils::paths` if needed
     && args2.len() == 2
     && let ExprKind::Lit(ref lit) = args2[0].kind
     && let LitKind::ByteStr(ref vec) = lit.node

tests/ui/author/macro_in_loop.stdout

@@ -45,7 +45,7 @@ if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::Fo
     && block3.stmts.is_empty()
     && let Some(trailing_expr1) = block3.expr
     && let ExprKind::Call(func2, args2) = trailing_expr1.kind
-    && paths::CORE_FMT_RT_NEW.matches_path(cx, func2) // Add the path to `clippy_utils::paths` if needed
+    && paths::CORE_FMT_ARGUMENTS_NEW.matches_path(cx, func2) // Add the path to `clippy_utils::paths` if needed
     && args2.len() == 2
     && let ExprKind::Lit(ref lit2) = args2[0].kind
     && let LitKind::ByteStr(ref vec) = lit2.node