fix test

test/MkIffOfInductive.lean

@@ -9,8 +9,8 @@ example {α : Type _} (R : α → α → Prop) (a : α) (al : List α) :
 
 -- check that the statement prints nicely
 /--
-info: test.chain_iff.{u_1} {α : Type u_1} (R : α → α → Prop) :
-  ∀ (a : α) (a_1 : List α), List.Chain R a a_1 ↔ a_1 = [] ∨ ∃ b l, R a b ∧ List.Chain R b l ∧ a_1 = b :: l
+info: test.chain_iff.{u_1} {α : Type u_1} (R : α → α → Prop) (a✝ : α) (a✝¹ : List α) :
+  List.Chain R a✝ a✝¹ ↔ a✝¹ = [] ∨ ∃ b l, R a✝ b ∧ List.Chain R b l ∧ a✝¹ = b :: l
 -/
 #guard_msgs in
 #check test.chain_iff