Run fix

Author: lpil

test/gleam/bool_test.gleam

@@ -157,12 +157,12 @@ pub fn to_string_test() {
 }
 
 pub fn guard_test() {
-  assert 2 = {
+  let assert 2 = {
     use <- bool.guard(when: True, return: 2)
     1
   }
 
-  assert 1 = {
+  let assert 1 = {
     use <- bool.guard(when: False, return: 2)
     1
   }