chore: fix test

tests/lean/run/frontend1.lean

@@ -61,7 +61,7 @@ pure "hello"
  #check (α : Type) → α → α
  #check {α : Type} → {β : Type} → M → (α → β) → α → β
  #check ()
- #check run
+ #check _root_.run
  end"
 
 structure S1 :=
@@ -158,7 +158,6 @@ f a
 #eval run "#check #[1, 2].foldl (fun r a => r.push a $.push a $.push a) #[]"
 #eval run "#check #[1, 2].foldl (init := #[]) $ fun r a => r.push a $.push a"
 
-
 #eval run "#check let x := one + zero; x + x"
 -- set_option trace.Elab true
 #eval run "#check (fun x => let v := x.w; v + v) s4"