chore: rubocop

chore: fix api test conventions

chore: rubocop -A spec/

chore: more rubocop -A

fix failing test

rubocop fixes

removes helper methods that are in my opinion dead code

more rubocop fixes

rubocop -a --auto-gen-config

app/models/bank_gateway.rb

@@ -4,5 +4,5 @@ class BankGateway < ApplicationRecord
 
   scope :with_unattended_support, -> { where.not(unattended_user: nil) }
 
-  validates_presence_of :name, :url
+  validates :name, :url, presence: true
 end