remove singleton and make get_all_forms a private method

Gemfile

@@ -21,7 +21,6 @@ gem "bootsnap", ">= 1.4.4", require: false
 gem "govuk-components"
 gem "govuk_design_system_formbuilder"
 gem "hotwire-rails"
-gem "singleton"
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console

Gemfile.lock

@@ -287,7 +287,6 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.3)
-    singleton (0.1.1)
     sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -356,7 +355,6 @@ DEPENDENCIES
   scss_lint-govuk
   selenium-webdriver
   simplecov
-  singleton
   tzinfo-data
   web-console (>= 4.1.0)
   webpacker (~> 5.0)

app/models/form_handler.rb

@@ -1,9 +1,9 @@
 class FormHandler
   include Singleton
+  attr_reader :forms
 
   def initialize
-    @forms = {}
+    @forms = get_all_forms
-    get_all_forms
   end
 
   def get_form(form)
@@ -12,7 +12,10 @@ class FormHandler
     @forms[form] ||= Form.new(form)
   end
 
+
+  private
   def get_all_forms
+    forms = {}
     directories = ["config/forms", "spec/fixtures/forms"]
     directories.each do |directory|
       Dir.foreach(directory) do |filename|
@@ -20,9 +23,9 @@ class FormHandler
 
         form_name = filename.sub(".json", "")
         form_path = "#{directory}/#{filename}"
-        @forms[form_name] = Form.new(form_path)
+        forms[form_name] = Form.new(form_path)
       end
     end
-    @forms
+    forms
   end
 end

spec/models/form_handler_spec.rb

@@ -4,7 +4,7 @@ RSpec.describe FormHandler do
   describe "Get all forms" do
     it "should be able to load all the forms" do
       form_handler = FormHandler.instance
-      all_forms = form_handler.get_all_forms
+      all_forms = form_handler.forms
       expect(all_forms.count).to be >= 1
       expect(all_forms["test_form"]).to be_a(Form)
     end