error: Assert failure
  --> tests_failed/assert_invalid_predicate_type/assert_invalid_predicate_type.hurl:4:0
   |
   | GET http://localhost:8000/error-assert-invalid-predicate-type
   | ...
 4 | header "content-type" == 1
   |   actual:   string <text/html; charset=utf-8>
   |   expected: integer <1>
   |

